Home / 239,933,586.52-331,108,268.68-129,925,299.52

Finding the Fourth Proportional to 239,933,586.52, 331,108,268.68 and 129,925,299.52

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Solution

The fourth proportional to 239,933,586.52, 331,108,268.68 and 129,925,299.52 is: 179,296,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,933,586.52 : 331,108,268.68 = 129,925,299.52 : x
  2. Step 2: Convert to fraction form
    239,933,586.52/331,108,268.68 = 129,925,299.52/x
  3. Step 3: Cross multiply
    239,933,586.52x = 331,108,268.68 × 129,925,299.52
  4. Step 4: Simplify right side
    239,933,586.52x = 43,019,340,981,797,632
  5. Step 5: Solve for x
    x = 43,019,340,981,797,632/239,933,586.52
  6. Step 6: Final answer
    x = 179,296,869.63

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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.