Finding the Fourth Proportional to 131,679,192.92, 181,780,298.84 and 87,699,381.08
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Solution
The fourth proportional to 131,679,192.92, 181,780,298.84 and 87,699,381.08 is: 121,067,112.79
Step by Step Solution
- Step 1: Write the proportion equation
131,679,192.92 : 181,780,298.84 = 87,699,381.08 : x - Step 2: Convert to fraction form
131,679,192.92/181,780,298.84 = 87,699,381.08/x - Step 3: Cross multiply
131,679,192.92x = 181,780,298.84 × 87,699,381.08 - Step 4: Simplify right side
131,679,192.92x = 15,942,019,700,805,442 - Step 5: Solve for x
x = 15,942,019,700,805,442/131,679,192.92 - Step 6: Final answer
x = 121,067,112.79
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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.