Finding the Fourth Proportional to 57,959,107.16, 79,981,876.86 and 33,178,472.60
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Solution
The fourth proportional to 57,959,107.16, 79,981,876.86 and 33,178,472.60 is: 45,785,324.17
Step by Step Solution
- Step 1: Write the proportion equation
57,959,107.16 : 79,981,876.86 = 33,178,472.60 : x - Step 2: Convert to fraction form
57,959,107.16/79,981,876.86 = 33,178,472.60/x - Step 3: Cross multiply
57,959,107.16x = 79,981,876.86 × 33,178,472.60 - Step 4: Simplify right side
57,959,107.16x = 2,653,676,509,896,084 - Step 5: Solve for x
x = 2,653,676,509,896,084/57,959,107.16 - Step 6: Final answer
x = 45,785,324.17
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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.