Home / 149,198,462.28-223,550,285.52-90,729,275.62

Finding the Fourth Proportional to 149,198,462.28, 223,550,285.52 and 90,729,275.62

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Solution

The fourth proportional to 149,198,462.28, 223,550,285.52 and 90,729,275.62 is: 135,943,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,198,462.28 : 223,550,285.52 = 90,729,275.62 : x
  2. Step 2: Convert to fraction form
    149,198,462.28/223,550,285.52 = 90,729,275.62/x
  3. Step 3: Cross multiply
    149,198,462.28x = 223,550,285.52 × 90,729,275.62
  4. Step 4: Simplify right side
    149,198,462.28x = 20,282,555,469,873,776
  5. Step 5: Solve for x
    x = 20,282,555,469,873,776/149,198,462.28
  6. Step 6: Final answer
    x = 135,943,461.88

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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.