Finding the Fourth Proportional to 88,211,728.80, 132,317,593.20 and 63,836,301.60
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Solution
The fourth proportional to 88,211,728.80, 132,317,593.20 and 63,836,301.60 is: 95,754,452.40
Step by Step Solution
- Step 1: Write the proportion equation
88,211,728.80 : 132,317,593.20 = 63,836,301.60 : x - Step 2: Convert to fraction form
88,211,728.80/132,317,593.20 = 63,836,301.60/x - Step 3: Cross multiply
88,211,728.80x = 132,317,593.20 × 63,836,301.60 - Step 4: Simplify right side
88,211,728.80x = 8,446,665,786,501,310 - Step 5: Solve for x
x = 8,446,665,786,501,310/88,211,728.80 - Step 6: Final answer
x = 95,754,452.40
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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.