Finding the Fourth Proportional to 83,417,244.80, 125,125,867.20 and 80,016,022.40
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Solution
The fourth proportional to 83,417,244.80, 125,125,867.20 and 80,016,022.40 is: 120,024,033.60
Step by Step Solution
- Step 1: Write the proportion equation
83,417,244.80 : 125,125,867.20 = 80,016,022.40 : x - Step 2: Convert to fraction form
83,417,244.80/125,125,867.20 = 80,016,022.40/x - Step 3: Cross multiply
83,417,244.80x = 125,125,867.20 × 80,016,022.40 - Step 4: Simplify right side
83,417,244.80x = 10,012,074,192,694,626 - Step 5: Solve for x
x = 10,012,074,192,694,626/83,417,244.80 - Step 6: Final answer
x = 120,024,033.60
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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.