Home / 87,652,471.52-120,999,155.28-52,382,723.36

Finding the Fourth Proportional to 87,652,471.52, 120,999,155.28 and 52,382,723.36

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Solution

The fourth proportional to 87,652,471.52, 120,999,155.28 and 52,382,723.36 is: 72,311,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,471.52 : 120,999,155.28 = 52,382,723.36 : x
  2. Step 2: Convert to fraction form
    87,652,471.52/120,999,155.28 = 52,382,723.36/x
  3. Step 3: Cross multiply
    87,652,471.52x = 120,999,155.28 × 52,382,723.36
  4. Step 4: Simplify right side
    87,652,471.52x = 6,338,265,277,825,923
  5. Step 5: Solve for x
    x = 6,338,265,277,825,923/87,652,471.52
  6. Step 6: Final answer
    x = 72,311,312.71

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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.