Home / 168,439,489.20-252,659,233.80-143,780,626.80

Finding the Fourth Proportional to 168,439,489.20, 252,659,233.80 and 143,780,626.80

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Solution

The fourth proportional to 168,439,489.20, 252,659,233.80 and 143,780,626.80 is: 215,670,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439,489.20 : 252,659,233.80 = 143,780,626.80 : x
  2. Step 2: Convert to fraction form
    168,439,489.20/252,659,233.80 = 143,780,626.80/x
  3. Step 3: Cross multiply
    168,439,489.20x = 252,659,233.80 × 143,780,626.80
  4. Step 4: Simplify right side
    168,439,489.20x = 36,327,503,002,571,752
  5. Step 5: Solve for x
    x = 36,327,503,002,571,752/168,439,489.20
  6. Step 6: Final answer
    x = 215,670,940.20

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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.