Finding the Fourth Proportional to 129,103,349.26, 178,162,687.80 and 73,348,866.10
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Solution
The fourth proportional to 129,103,349.26, 178,162,687.80 and 73,348,866.10 is: 101,221,472.61
Step by Step Solution
- Step 1: Write the proportion equation
129,103,349.26 : 178,162,687.80 = 73,348,866.10 : x - Step 2: Convert to fraction form
129,103,349.26/178,162,687.80 = 73,348,866.10/x - Step 3: Cross multiply
129,103,349.26x = 178,162,687.80 × 73,348,866.10 - Step 4: Simplify right side
129,103,349.26x = 13,068,031,131,458,304 - Step 5: Solve for x
x = 13,068,031,131,458,304/129,103,349.26 - Step 6: Final answer
x = 101,221,472.61
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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.