Home / 168,534,165.20-252,423,334.20-138,301,077.20

Finding the Fourth Proportional to 168,534,165.20, 252,423,334.20 and 138,301,077.20

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Solution

The fourth proportional to 168,534,165.20, 252,423,334.20 and 138,301,077.20 is: 207,141,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,534,165.20 : 252,423,334.20 = 138,301,077.20 : x
  2. Step 2: Convert to fraction form
    168,534,165.20/252,423,334.20 = 138,301,077.20/x
  3. Step 3: Cross multiply
    168,534,165.20x = 252,423,334.20 × 138,301,077.20
  4. Step 4: Simplify right side
    168,534,165.20x = 34,910,419,030,275,596
  5. Step 5: Solve for x
    x = 34,910,419,030,275,596/168,534,165.20
  6. Step 6: Final answer
    x = 207,141,495.55

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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.