Finding the Fourth Proportional to 94,203,229.12, 129,981,398.26 and 55,037,441.68
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Solution
The fourth proportional to 94,203,229.12, 129,981,398.26 and 55,037,441.68 is: 75,940,535.09
Step by Step Solution
- Step 1: Write the proportion equation
94,203,229.12 : 129,981,398.26 = 55,037,441.68 : x - Step 2: Convert to fraction form
94,203,229.12/129,981,398.26 = 55,037,441.68/x - Step 3: Cross multiply
94,203,229.12x = 129,981,398.26 × 55,037,441.68 - Step 4: Simplify right side
94,203,229.12x = 7,153,843,626,219,604 - Step 5: Solve for x
x = 7,153,843,626,219,604/94,203,229.12 - Step 6: Final answer
x = 75,940,535.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.