Home / 168,203,115.20-252,304,672.80-45,381,195.20

Finding the Fourth Proportional to 168,203,115.20, 252,304,672.80 and 45,381,195.20

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Solution

The fourth proportional to 168,203,115.20, 252,304,672.80 and 45,381,195.20 is: 68,071,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,203,115.20 : 252,304,672.80 = 45,381,195.20 : x
  2. Step 2: Convert to fraction form
    168,203,115.20/252,304,672.80 = 45,381,195.20/x
  3. Step 3: Cross multiply
    168,203,115.20x = 252,304,672.80 × 45,381,195.20
  4. Step 4: Simplify right side
    168,203,115.20x = 11,449,887,606,208,932
  5. Step 5: Solve for x
    x = 11,449,887,606,208,932/168,203,115.20
  6. Step 6: Final answer
    x = 68,071,792.80

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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.