Finding the Fourth Proportional to 132,284,883.43, 198,414,494.74 and 40,169,419.07
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Solution
The fourth proportional to 132,284,883.43, 198,414,494.74 and 40,169,419.07 is: 60,250,232.55
Step by Step Solution
- Step 1: Write the proportion equation
132,284,883.43 : 198,414,494.74 = 40,169,419.07 : x - Step 2: Convert to fraction form
132,284,883.43/198,414,494.74 = 40,169,419.07/x - Step 3: Cross multiply
132,284,883.43x = 198,414,494.74 × 40,169,419.07 - Step 4: Simplify right side
132,284,883.43x = 7,970,194,988,572,524 - Step 5: Solve for x
x = 7,970,194,988,572,524/132,284,883.43 - Step 6: Final answer
x = 60,250,232.55
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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.