Finding the Fourth Proportional to 86,617,753.38, 129,926,631.33 and 29,110,026.42
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Solution
The fourth proportional to 86,617,753.38, 129,926,631.33 and 29,110,026.42 is: 43,665,040.05
Step by Step Solution
- Step 1: Write the proportion equation
86,617,753.38 : 129,926,631.33 = 29,110,026.42 : x - Step 2: Convert to fraction form
86,617,753.38/129,926,631.33 = 29,110,026.42/x - Step 3: Cross multiply
86,617,753.38x = 129,926,631.33 × 29,110,026.42 - Step 4: Simplify right side
86,617,753.38x = 3,782,167,670,677,900 - Step 5: Solve for x
x = 3,782,167,670,677,900/86,617,753.38 - Step 6: Final answer
x = 43,665,040.05
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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.