Home / 392,031,490.20-588,043,222.56-100,897,481.76

Finding the Fourth Proportional to 392,031,490.20, 588,043,222.56 and 100,897,481.76

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Solution

The fourth proportional to 392,031,490.20, 588,043,222.56 and 100,897,481.76 is: 151,345,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,031,490.20 : 588,043,222.56 = 100,897,481.76 : x
  2. Step 2: Convert to fraction form
    392,031,490.20/588,043,222.56 = 100,897,481.76/x
  3. Step 3: Cross multiply
    392,031,490.20x = 588,043,222.56 × 100,897,481.76
  4. Step 4: Simplify right side
    392,031,490.20x = 59,332,080,322,339,216
  5. Step 5: Solve for x
    x = 59,332,080,322,339,216/392,031,490.20
  6. Step 6: Final answer
    x = 151,345,189.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.