Home / 168,202,811.20-252,304,216.80-45,380,891.20

Finding the Fourth Proportional to 168,202,811.20, 252,304,216.80 and 45,380,891.20

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Solution

The fourth proportional to 168,202,811.20, 252,304,216.80 and 45,380,891.20 is: 68,071,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,202,811.20 : 252,304,216.80 = 45,380,891.20 : x
  2. Step 2: Convert to fraction form
    168,202,811.20/252,304,216.80 = 45,380,891.20/x
  3. Step 3: Cross multiply
    168,202,811.20x = 252,304,216.80 × 45,380,891.20
  4. Step 4: Simplify right side
    168,202,811.20x = 11,449,790,211,902,014
  5. Step 5: Solve for x
    x = 11,449,790,211,902,014/168,202,811.20
  6. Step 6: Final answer
    x = 68,071,336.80

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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.