Finding the Fourth Proportional to 86,697,930.24, 129,955,861.08 and 29,170,229.31
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Solution
The fourth proportional to 86,697,930.24, 129,955,861.08 and 29,170,229.31 is: 43,724,714.74
Step by Step Solution
- Step 1: Write the proportion equation
86,697,930.24 : 129,955,861.08 = 29,170,229.31 : x - Step 2: Convert to fraction form
86,697,930.24/129,955,861.08 = 29,170,229.31/x - Step 3: Cross multiply
86,697,930.24x = 129,955,861.08 × 29,170,229.31 - Step 4: Simplify right side
86,697,930.24x = 3,790,842,267,882,104 - Step 5: Solve for x
x = 3,790,842,267,882,104/86,697,930.24 - Step 6: Final answer
x = 43,724,714.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.