Finding the Fourth Proportional to 81,534,863.61, 122,302,295.21 and 29,723,351.92
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Solution
The fourth proportional to 81,534,863.61, 122,302,295.21 and 29,723,351.92 is: 44,585,027.81
Step by Step Solution
- Step 1: Write the proportion equation
81,534,863.61 : 122,302,295.21 = 29,723,351.92 : x - Step 2: Convert to fraction form
81,534,863.61/122,302,295.21 = 29,723,351.92/x - Step 3: Cross multiply
81,534,863.61x = 122,302,295.21 × 29,723,351.92 - Step 4: Simplify right side
81,534,863.61x = 3,635,234,161,150,560.50 - Step 5: Solve for x
x = 3,635,234,161,150,560.50/81,534,863.61 - Step 6: Final answer
x = 44,585,027.81
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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.