Home / 87,332,747.24-120,517,062.90-48,173,666.60

Finding the Fourth Proportional to 87,332,747.24, 120,517,062.90 and 48,173,666.60

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Solution

The fourth proportional to 87,332,747.24, 120,517,062.90 and 48,173,666.60 is: 66,478,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332,747.24 : 120,517,062.90 = 48,173,666.60 : x
  2. Step 2: Convert to fraction form
    87,332,747.24/120,517,062.90 = 48,173,666.60/x
  3. Step 3: Cross multiply
    87,332,747.24x = 120,517,062.90 × 48,173,666.60
  4. Step 4: Simplify right side
    87,332,747.24x = 5,805,748,807,755,830
  5. Step 5: Solve for x
    x = 5,805,748,807,755,830/87,332,747.24
  6. Step 6: Final answer
    x = 66,478,485.92

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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.