Finding the Fourth Proportional to 88,129,478.40, 132,194,217.60 and 27,545,107.20
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Solution
The fourth proportional to 88,129,478.40, 132,194,217.60 and 27,545,107.20 is: 41,317,660.80
Step by Step Solution
- Step 1: Write the proportion equation
88,129,478.40 : 132,194,217.60 = 27,545,107.20 : x - Step 2: Convert to fraction form
88,129,478.40/132,194,217.60 = 27,545,107.20/x - Step 3: Cross multiply
88,129,478.40x = 132,194,217.60 × 27,545,107.20 - Step 4: Simplify right side
88,129,478.40x = 3,641,303,895,012,126.50 - Step 5: Solve for x
x = 3,641,303,895,012,126.50/88,129,478.40 - Step 6: Final answer
x = 41,317,660.80
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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.