Finding the Fourth Proportional to 95,416,565.18, 131,680,484.49 and 71,853,529.97
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Solution
The fourth proportional to 95,416,565.18, 131,680,484.49 and 71,853,529.97 is: 99,162,106.92
Step by Step Solution
- Step 1: Write the proportion equation
95,416,565.18 : 131,680,484.49 = 71,853,529.97 : x - Step 2: Convert to fraction form
95,416,565.18/131,680,484.49 = 71,853,529.97/x - Step 3: Cross multiply
95,416,565.18x = 131,680,484.49 × 71,853,529.97 - Step 4: Simplify right side
95,416,565.18x = 9,461,707,638,766,334 - Step 5: Solve for x
x = 9,461,707,638,766,334/95,416,565.18 - Step 6: Final answer
x = 99,162,106.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.