Home / 239,733,147.32-330,832,318.38-129,726,040.76

Finding the Fourth Proportional to 239,733,147.32, 330,832,318.38 and 129,726,040.76

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Solution

The fourth proportional to 239,733,147.32, 330,832,318.38 and 129,726,040.76 is: 179,022,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,733,147.32 : 330,832,318.38 = 129,726,040.76 : x
  2. Step 2: Convert to fraction form
    239,733,147.32/330,832,318.38 = 129,726,040.76/x
  3. Step 3: Cross multiply
    239,733,147.32x = 330,832,318.38 × 129,726,040.76
  4. Step 4: Simplify right side
    239,733,147.32x = 42,917,566,818,889,176
  5. Step 5: Solve for x
    x = 42,917,566,818,889,176/239,733,147.32
  6. Step 6: Final answer
    x = 179,022,247.44

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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.