The exchange rate between Euros and US dollars is affected by a number of factors, including global events, interest rates, and inflation. In early March, that same purchase would have cost the American company $110. An American company buying 50 Euros worth of goods from a European company would currently pay $55.72. The current exchange rate also affects companies who do business with European partners. That same purchase would have cost around $110 in early March. For American tourists in Europe, a 50 Euro purchase would currently cost them about $55.72. The current exchange rate is important for anyone who plans to travel to Europe or make a purchase from a European company. By late March, that had dropped to around 0.85 US dollars as the coronavirus pandemic caused a panic in global markets. For example, in early March 2020, one Euro was worth around 1.10 US dollars. However, the exact rate changes daily, sometimes by a large margin.
Assuming you would like an article discussing the current exchange rate between Euros and US dollars: As of July 2020, 50 Euros is worth approximately 55.72 US dollars.