Home / 87,652,472.52-120,999,156.66-52,382,724.36

Finding the Fourth Proportional to 87,652,472.52, 120,999,156.66 and 52,382,724.36

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Solution

The fourth proportional to 87,652,472.52, 120,999,156.66 and 52,382,724.36 is: 72,311,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,472.52 : 120,999,156.66 = 52,382,724.36 : x
  2. Step 2: Convert to fraction form
    87,652,472.52/120,999,156.66 = 52,382,724.36/x
  3. Step 3: Cross multiply
    87,652,472.52x = 120,999,156.66 × 52,382,724.36
  4. Step 4: Simplify right side
    87,652,472.52x = 6,338,265,471,113,238
  5. Step 5: Solve for x
    x = 6,338,265,471,113,238/87,652,472.52
  6. Step 6: Final answer
    x = 72,311,314.09

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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.