Finding the Fourth Proportional to 90,165,717.18, 124,428,929.49 and 48,912,609.56
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Solution
The fourth proportional to 90,165,717.18, 124,428,929.49 and 48,912,609.56 is: 67,499,531.26
Step by Step Solution
- Step 1: Write the proportion equation
90,165,717.18 : 124,428,929.49 = 48,912,609.56 : x - Step 2: Convert to fraction form
90,165,717.18/124,428,929.49 = 48,912,609.56/x - Step 3: Cross multiply
90,165,717.18x = 124,428,929.49 × 48,912,609.56 - Step 4: Simplify right side
90,165,717.18x = 6,086,143,645,490,995 - Step 5: Solve for x
x = 6,086,143,645,490,995/90,165,717.18 - Step 6: Final answer
x = 67,499,531.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.