Home / 87,223,142.28-130,755,524.34-43,517,268.36

Finding the Fourth Proportional to 87,223,142.28, 130,755,524.34 and 43,517,268.36

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Solution

The fourth proportional to 87,223,142.28, 130,755,524.34 and 43,517,268.36 is: 65,236,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,223,142.28 : 130,755,524.34 = 43,517,268.36 : x
  2. Step 2: Convert to fraction form
    87,223,142.28/130,755,524.34 = 43,517,268.36/x
  3. Step 3: Cross multiply
    87,223,142.28x = 130,755,524.34 × 43,517,268.36
  4. Step 4: Simplify right side
    87,223,142.28x = 5,690,123,242,256,292
  5. Step 5: Solve for x
    x = 5,690,123,242,256,292/87,223,142.28
  6. Step 6: Final answer
    x = 65,236,393.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.