Home / 239,164,760.64-330,047,366.40-129,156,470.40

Finding the Fourth Proportional to 239,164,760.64, 330,047,366.40 and 129,156,470.40

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Solution

The fourth proportional to 239,164,760.64, 330,047,366.40 and 129,156,470.40 is: 178,235,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,164,760.64 : 330,047,366.40 = 129,156,470.40 : x
  2. Step 2: Convert to fraction form
    239,164,760.64/330,047,366.40 = 129,156,470.40/x
  3. Step 3: Cross multiply
    239,164,760.64x = 330,047,366.40 × 129,156,470.40
  4. Step 4: Simplify right side
    239,164,760.64x = 42,627,752,909,039,552
  5. Step 5: Solve for x
    x = 42,627,752,909,039,552/239,164,760.64
  6. Step 6: Final answer
    x = 178,235,927.38

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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.