Finding the Fourth Proportional to 217,224,251.60, 325,836,377.40 and 125,391,246.80
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Solution
The fourth proportional to 217,224,251.60, 325,836,377.40 and 125,391,246.80 is: 188,086,870.20
Step by Step Solution
- Step 1: Write the proportion equation
217,224,251.60 : 325,836,377.40 = 125,391,246.80 : x - Step 2: Convert to fraction form
217,224,251.60/325,836,377.40 = 125,391,246.80/x - Step 3: Cross multiply
217,224,251.60x = 325,836,377.40 × 125,391,246.80 - Step 4: Simplify right side
217,224,251.60x = 40,857,029,614,981,336 - Step 5: Solve for x
x = 40,857,029,614,981,336/217,224,251.60 - Step 6: Final answer
x = 188,086,870.20
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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.