Home / 168,504,004.80-252,756,007.20-82,255,723.20

Finding the Fourth Proportional to 168,504,004.80, 252,756,007.20 and 82,255,723.20

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Solution

The fourth proportional to 168,504,004.80, 252,756,007.20 and 82,255,723.20 is: 123,383,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,504,004.80 : 252,756,007.20 = 82,255,723.20 : x
  2. Step 2: Convert to fraction form
    168,504,004.80/252,756,007.20 = 82,255,723.20/x
  3. Step 3: Cross multiply
    168,504,004.80x = 252,756,007.20 × 82,255,723.20
  4. Step 4: Simplify right side
    168,504,004.80x = 20,790,628,165,380,408
  5. Step 5: Solve for x
    x = 20,790,628,165,380,408/168,504,004.80
  6. Step 6: Final answer
    x = 123,383,584.80

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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.