Home / 381,394,729.40-572,097,343.02-108,765,525.56

Finding the Fourth Proportional to 381,394,729.40, 572,097,343.02 and 108,765,525.56

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Solution

The fourth proportional to 381,394,729.40, 572,097,343.02 and 108,765,525.56 is: 163,149,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,394,729.40 : 572,097,343.02 = 108,765,525.56 : x
  2. Step 2: Convert to fraction form
    381,394,729.40/572,097,343.02 = 108,765,525.56/x
  3. Step 3: Cross multiply
    381,394,729.40x = 572,097,343.02 × 108,765,525.56
  4. Step 4: Simplify right side
    381,394,729.40x = 62,224,468,185,049,896
  5. Step 5: Solve for x
    x = 62,224,468,185,049,896/381,394,729.40
  6. Step 6: Final answer
    x = 163,149,785.22

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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.