Home / 238,617,720.28-329,289,332.70-134,195,760.28

Finding the Fourth Proportional to 238,617,720.28, 329,289,332.70 and 134,195,760.28

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Solution

The fourth proportional to 238,617,720.28, 329,289,332.70 and 134,195,760.28 is: 185,188,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,617,720.28 : 329,289,332.70 = 134,195,760.28 : x
  2. Step 2: Convert to fraction form
    238,617,720.28/329,289,332.70 = 134,195,760.28/x
  3. Step 3: Cross multiply
    238,617,720.28x = 329,289,332.70 × 134,195,760.28
  4. Step 4: Simplify right side
    238,617,720.28x = 44,189,232,353,770,360
  5. Step 5: Solve for x
    x = 44,189,232,353,770,360/238,617,720.28
  6. Step 6: Final answer
    x = 185,188,393.81

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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.