Finding the Fourth Proportional to 125,176,717.91, 187,726,647.14 and 86,563,304.72
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Solution
The fourth proportional to 125,176,717.91, 187,726,647.14 and 86,563,304.72 is: 129,818,381.81
Step by Step Solution
- Step 1: Write the proportion equation
125,176,717.91 : 187,726,647.14 = 86,563,304.72 : x - Step 2: Convert to fraction form
125,176,717.91/187,726,647.14 = 86,563,304.72/x - Step 3: Cross multiply
125,176,717.91x = 187,726,647.14 × 86,563,304.72 - Step 4: Simplify right side
125,176,717.91x = 16,250,238,959,072,286 - Step 5: Solve for x
x = 16,250,238,959,072,286/125,176,717.91 - Step 6: Final answer
x = 129,818,381.81
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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.