Finding the Fourth Proportional to 55,695,120.42, 83,542,565.73 and 31,423,028.97
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Solution
The fourth proportional to 55,695,120.42, 83,542,565.73 and 31,423,028.97 is: 47,134,478.63
Step by Step Solution
- Step 1: Write the proportion equation
55,695,120.42 : 83,542,565.73 = 31,423,028.97 : x - Step 2: Convert to fraction form
55,695,120.42/83,542,565.73 = 31,423,028.97/x - Step 3: Cross multiply
55,695,120.42x = 83,542,565.73 × 31,423,028.97 - Step 4: Simplify right side
55,695,120.42x = 2,625,160,463,161,919 - Step 5: Solve for x
x = 2,625,160,463,161,919/55,695,120.42 - Step 6: Final answer
x = 47,134,478.63
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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.