Finding the Fourth Proportional to 57,962,399.26, 79,988,285.16 and 31,859,591.98
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Solution
The fourth proportional to 57,962,399.26, 79,988,285.16 and 31,859,591.98 is: 43,966,332.67
Step by Step Solution
- Step 1: Write the proportion equation
57,962,399.26 : 79,988,285.16 = 31,859,591.98 : x - Step 2: Convert to fraction form
57,962,399.26/79,988,285.16 = 31,859,591.98/x - Step 3: Cross multiply
57,962,399.26x = 79,988,285.16 × 31,859,591.98 - Step 4: Simplify right side
57,962,399.26x = 2,548,394,128,377,489 - Step 5: Solve for x
x = 2,548,394,128,377,489/57,962,399.26 - Step 6: Final answer
x = 43,966,332.67
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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.