Home / 238,617,719.28-329,289,331.32-134,195,759.28

Finding the Fourth Proportional to 238,617,719.28, 329,289,331.32 and 134,195,759.28

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Solution

The fourth proportional to 238,617,719.28, 329,289,331.32 and 134,195,759.28 is: 185,188,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,617,719.28 : 329,289,331.32 = 134,195,759.28 : x
  2. Step 2: Convert to fraction form
    238,617,719.28/329,289,331.32 = 134,195,759.28/x
  3. Step 3: Cross multiply
    238,617,719.28x = 329,289,331.32 × 134,195,759.28
  4. Step 4: Simplify right side
    238,617,719.28x = 44,189,231,839,290,888
  5. Step 5: Solve for x
    x = 44,189,231,839,290,888/238,617,719.28
  6. Step 6: Final answer
    x = 185,188,392.43

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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.