Finding the Fourth Proportional to 117,452,092.80, 176,178,139.20 and 106,681,555.20
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Solution
The fourth proportional to 117,452,092.80, 176,178,139.20 and 106,681,555.20 is: 160,022,332.80
Step by Step Solution
- Step 1: Write the proportion equation
117,452,092.80 : 176,178,139.20 = 106,681,555.20 : x - Step 2: Convert to fraction form
117,452,092.80/176,178,139.20 = 106,681,555.20/x - Step 3: Cross multiply
117,452,092.80x = 176,178,139.20 × 106,681,555.20 - Step 4: Simplify right side
117,452,092.80x = 18,794,957,882,098,084 - Step 5: Solve for x
x = 18,794,957,882,098,084/117,452,092.80 - Step 6: Final answer
x = 160,022,332.80
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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.