Home / 156,557,231.53-216,086,607.13-89,614,995.14

Finding the Fourth Proportional to 156,557,231.53, 216,086,607.13 and 89,614,995.14

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Solution

The fourth proportional to 156,557,231.53, 216,086,607.13 and 89,614,995.14 is: 123,690,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557,231.53 : 216,086,607.13 = 89,614,995.14 : x
  2. Step 2: Convert to fraction form
    156,557,231.53/216,086,607.13 = 89,614,995.14/x
  3. Step 3: Cross multiply
    156,557,231.53x = 216,086,607.13 × 89,614,995.14
  4. Step 4: Simplify right side
    156,557,231.53x = 19,364,600,246,469,568
  5. Step 5: Solve for x
    x = 19,364,600,246,469,568/156,557,231.53
  6. Step 6: Final answer
    x = 123,690,231.73

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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.