Finding the Fourth Proportional to 73,853,121.72, 110,680,658.24 and 57,478,177.92
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Solution
The fourth proportional to 73,853,121.72, 110,680,658.24 and 57,478,177.92 is: 86,140,198.52
Step by Step Solution
- Step 1: Write the proportion equation
73,853,121.72 : 110,680,658.24 = 57,478,177.92 : x - Step 2: Convert to fraction form
73,853,121.72/110,680,658.24 = 57,478,177.92/x - Step 3: Cross multiply
73,853,121.72x = 110,680,658.24 × 57,478,177.92 - Step 4: Simplify right side
73,853,121.72x = 6,361,722,566,621,434 - Step 5: Solve for x
x = 6,361,722,566,621,434/73,853,121.72 - Step 6: Final answer
x = 86,140,198.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.