Home / 149,198,463.28-223,550,287.02-90,729,276.62

Finding the Fourth Proportional to 149,198,463.28, 223,550,287.02 and 90,729,276.62

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Solution

The fourth proportional to 149,198,463.28, 223,550,287.02 and 90,729,276.62 is: 135,943,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,198,463.28 : 223,550,287.02 = 90,729,276.62 : x
  2. Step 2: Convert to fraction form
    149,198,463.28/223,550,287.02 = 90,729,276.62/x
  3. Step 3: Cross multiply
    149,198,463.28x = 223,550,287.02 × 90,729,276.62
  4. Step 4: Simplify right side
    149,198,463.28x = 20,282,555,829,517,976
  5. Step 5: Solve for x
    x = 20,282,555,829,517,976/149,198,463.28
  6. Step 6: Final answer
    x = 135,943,463.38

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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.