Home / 229,320,625.26-316,443,023.46-128,841,195.72

Finding the Fourth Proportional to 229,320,625.26, 316,443,023.46 and 128,841,195.72

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Solution

The fourth proportional to 229,320,625.26, 316,443,023.46 and 128,841,195.72 is: 177,789,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,320,625.26 : 316,443,023.46 = 128,841,195.72 : x
  2. Step 2: Convert to fraction form
    229,320,625.26/316,443,023.46 = 128,841,195.72/x
  3. Step 3: Cross multiply
    229,320,625.26x = 316,443,023.46 × 128,841,195.72
  4. Step 4: Simplify right side
    229,320,625.26x = 40,770,897,519,838,408
  5. Step 5: Solve for x
    x = 40,770,897,519,838,408/229,320,625.26
  6. Step 6: Final answer
    x = 177,789,928.29

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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.