Home / 239,234,735.28-330,144,079.32-129,226,496.88

Finding the Fourth Proportional to 239,234,735.28, 330,144,079.32 and 129,226,496.88

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Solution

The fourth proportional to 239,234,735.28, 330,144,079.32 and 129,226,496.88 is: 178,332,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,234,735.28 : 330,144,079.32 = 129,226,496.88 : x
  2. Step 2: Convert to fraction form
    239,234,735.28/330,144,079.32 = 129,226,496.88/x
  3. Step 3: Cross multiply
    239,234,735.28x = 330,144,079.32 × 129,226,496.88
  4. Step 4: Simplify right side
    239,234,735.28x = 42,663,362,836,196,448
  5. Step 5: Solve for x
    x = 42,663,362,836,196,448/239,234,735.28
  6. Step 6: Final answer
    x = 178,332,643.82

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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.