Home / 87,657,171.86-120,937,521.84-50,486,707.82

Finding the Fourth Proportional to 87,657,171.86, 120,937,521.84 and 50,486,707.82

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Solution

The fourth proportional to 87,657,171.86, 120,937,521.84 and 50,486,707.82 is: 69,654,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,657,171.86 : 120,937,521.84 = 50,486,707.82 : x
  2. Step 2: Convert to fraction form
    87,657,171.86/120,937,521.84 = 50,486,707.82/x
  3. Step 3: Cross multiply
    87,657,171.86x = 120,937,521.84 × 50,486,707.82
  4. Step 4: Simplify right side
    87,657,171.86x = 6,105,737,329,610,949
  5. Step 5: Solve for x
    x = 6,105,737,329,610,949/87,657,171.86
  6. Step 6: Final answer
    x = 69,654,737.88

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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.