Home / 239,933,588.52-331,108,271.44-129,925,301.52

Finding the Fourth Proportional to 239,933,588.52, 331,108,271.44 and 129,925,301.52

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Solution

The fourth proportional to 239,933,588.52, 331,108,271.44 and 129,925,301.52 is: 179,296,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,933,588.52 : 331,108,271.44 = 129,925,301.52 : x
  2. Step 2: Convert to fraction form
    239,933,588.52/331,108,271.44 = 129,925,301.52/x
  3. Step 3: Cross multiply
    239,933,588.52x = 331,108,271.44 × 129,925,301.52
  4. Step 4: Simplify right side
    239,933,588.52x = 43,019,342,002,608,000
  5. Step 5: Solve for x
    x = 43,019,342,002,608,000/239,933,588.52
  6. Step 6: Final answer
    x = 179,296,872.39

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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.