Home / 49,206,640.20-73,809,960.30-20,443,216.20

Finding the Fourth Proportional to 49,206,640.20, 73,809,960.30 and 20,443,216.20

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Solution

The fourth proportional to 49,206,640.20, 73,809,960.30 and 20,443,216.20 is: 30,664,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,206,640.20 : 73,809,960.30 = 20,443,216.20 : x
  2. Step 2: Convert to fraction form
    49,206,640.20/73,809,960.30 = 20,443,216.20/x
  3. Step 3: Cross multiply
    49,206,640.20x = 73,809,960.30 × 20,443,216.20
  4. Step 4: Simplify right side
    49,206,640.20x = 1,508,912,976,126,316.75
  5. Step 5: Solve for x
    x = 1,508,912,976,126,316.75/49,206,640.20
  6. Step 6: Final answer
    x = 30,664,824.30

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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.