Finding the Fourth Proportional to 187,522,793.60, 281,284,190.40 and 177,000,261.80
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Solution
The fourth proportional to 187,522,793.60, 281,284,190.40 and 177,000,261.80 is: 265,500,392.70
Step by Step Solution
- Step 1: Write the proportion equation
187,522,793.60 : 281,284,190.40 = 177,000,261.80 : x - Step 2: Convert to fraction form
187,522,793.60/281,284,190.40 = 177,000,261.80/x - Step 3: Cross multiply
187,522,793.60x = 281,284,190.40 × 177,000,261.80 - Step 4: Simplify right side
187,522,793.60x = 49,787,375,341,001,048 - Step 5: Solve for x
x = 49,787,375,341,001,048/187,522,793.60 - Step 6: Final answer
x = 265,500,392.70
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1.5x scale
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.