Home / 87,223,143.53-130,755,526.22-43,517,269.62

Finding the Fourth Proportional to 87,223,143.53, 130,755,526.22 and 43,517,269.62

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Solution

The fourth proportional to 87,223,143.53, 130,755,526.22 and 43,517,269.62 is: 65,236,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,223,143.53 : 130,755,526.22 = 43,517,269.62 : x
  2. Step 2: Convert to fraction form
    87,223,143.53/130,755,526.22 = 43,517,269.62/x
  3. Step 3: Cross multiply
    87,223,143.53x = 130,755,526.22 × 43,517,269.62
  4. Step 4: Simplify right side
    87,223,143.53x = 5,690,123,488,603,133
  5. Step 5: Solve for x
    x = 5,690,123,488,603,133/87,223,143.53
  6. Step 6: Final answer
    x = 65,236,395.51

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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.