Finding the Fourth Proportional to 81,687,110.48, 112,726,135.32 and 44,518,346.72
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Solution
The fourth proportional to 81,687,110.48, 112,726,135.32 and 44,518,346.72 is: 61,434,186.46
Step by Step Solution
- Step 1: Write the proportion equation
81,687,110.48 : 112,726,135.32 = 44,518,346.72 : x - Step 2: Convert to fraction form
81,687,110.48/112,726,135.32 = 44,518,346.72/x - Step 3: Cross multiply
81,687,110.48x = 112,726,135.32 × 44,518,346.72 - Step 4: Simplify right side
81,687,110.48x = 5,018,381,176,581,398 - Step 5: Solve for x
x = 5,018,381,176,581,398/81,687,110.48 - Step 6: Final answer
x = 61,434,186.46
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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.