Finding the Fourth Proportional to 94,203,110.76, 129,981,235.32 and 55,037,323.32
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Solution
The fourth proportional to 94,203,110.76, 129,981,235.32 and 55,037,323.32 is: 75,940,371.99
Step by Step Solution
- Step 1: Write the proportion equation
94,203,110.76 : 129,981,235.32 = 55,037,323.32 : x - Step 2: Convert to fraction form
94,203,110.76/129,981,235.32 = 55,037,323.32/x - Step 3: Cross multiply
94,203,110.76x = 129,981,235.32 × 55,037,323.32 - Step 4: Simplify right side
94,203,110.76x = 7,153,819,273,839,843 - Step 5: Solve for x
x = 7,153,819,273,839,843/94,203,110.76 - Step 6: Final answer
x = 75,940,371.99
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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.