Home / 239,933,580.38-331,108,260.24-129,925,293.38

Finding the Fourth Proportional to 239,933,580.38, 331,108,260.24 and 129,925,293.38

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Solution

The fourth proportional to 239,933,580.38, 331,108,260.24 and 129,925,293.38 is: 179,296,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,933,580.38 : 331,108,260.24 = 129,925,293.38 : x
  2. Step 2: Convert to fraction form
    239,933,580.38/331,108,260.24 = 129,925,293.38/x
  3. Step 3: Cross multiply
    239,933,580.38x = 331,108,260.24 × 129,925,293.38
  4. Step 4: Simplify right side
    239,933,580.38x = 43,019,337,852,223,392
  5. Step 5: Solve for x
    x = 43,019,337,852,223,392/239,933,580.38
  6. Step 6: Final answer
    x = 179,296,861.17

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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.