Home / 239,733,144.32-330,832,314.24-129,726,037.76

Finding the Fourth Proportional to 239,733,144.32, 330,832,314.24 and 129,726,037.76

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Solution

The fourth proportional to 239,733,144.32, 330,832,314.24 and 129,726,037.76 is: 179,022,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,733,144.32 : 330,832,314.24 = 129,726,037.76 : x
  2. Step 2: Convert to fraction form
    239,733,144.32/330,832,314.24 = 129,726,037.76/x
  3. Step 3: Cross multiply
    239,733,144.32x = 330,832,314.24 × 129,726,037.76
  4. Step 4: Simplify right side
    239,733,144.32x = 42,917,565,289,326,432
  5. Step 5: Solve for x
    x = 42,917,565,289,326,432/239,733,144.32
  6. Step 6: Final answer
    x = 179,022,243.30

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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.