Finding the Fourth Proportional to 132,284,553.28, 182,493,767.68 and 77,256,134.08
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Solution
The fourth proportional to 132,284,553.28, 182,493,767.68 and 77,256,134.08 is: 106,579,057.31
Step by Step Solution
- Step 1: Write the proportion equation
132,284,553.28 : 182,493,767.68 = 77,256,134.08 : x - Step 2: Convert to fraction form
132,284,553.28/182,493,767.68 = 77,256,134.08/x - Step 3: Cross multiply
132,284,553.28x = 182,493,767.68 × 77,256,134.08 - Step 4: Simplify right side
132,284,553.28x = 14,098,762,984,650,450 - Step 5: Solve for x
x = 14,098,762,984,650,450/132,284,553.28 - Step 6: Final answer
x = 106,579,057.31
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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.