Home / 168,180,634.80-252,270,952.20-71,104,078.80

Finding the Fourth Proportional to 168,180,634.80, 252,270,952.20 and 71,104,078.80

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Solution

The fourth proportional to 168,180,634.80, 252,270,952.20 and 71,104,078.80 is: 106,656,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,180,634.80 : 252,270,952.20 = 71,104,078.80 : x
  2. Step 2: Convert to fraction form
    168,180,634.80/252,270,952.20 = 71,104,078.80/x
  3. Step 3: Cross multiply
    168,180,634.80x = 252,270,952.20 × 71,104,078.80
  4. Step 4: Simplify right side
    168,180,634.80x = 17,937,493,664,179,832
  5. Step 5: Solve for x
    x = 17,937,493,664,179,832/168,180,634.80
  6. Step 6: Final answer
    x = 106,656,118.20

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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.