Finding the Fourth Proportional to 99,613,691.41, 149,465,937.80 and 51,125,595.61
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Solution
The fourth proportional to 99,613,691.41, 149,465,937.80 and 51,125,595.61 is: 76,711,694.80
Step by Step Solution
- Step 1: Write the proportion equation
99,613,691.41 : 149,465,937.80 = 51,125,595.61 : x - Step 2: Convert to fraction form
99,613,691.41/149,465,937.80 = 51,125,595.61/x - Step 3: Cross multiply
99,613,691.41x = 149,465,937.80 × 51,125,595.61 - Step 4: Simplify right side
99,613,691.41x = 7,641,535,093,432,214 - Step 5: Solve for x
x = 7,641,535,093,432,214/99,613,691.41 - Step 6: Final answer
x = 76,711,694.80
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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.