Home / 220,488,002.20-330,732,003.30-143,897,512.60

Finding the Fourth Proportional to 220,488,002.20, 330,732,003.30 and 143,897,512.60

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Solution

The fourth proportional to 220,488,002.20, 330,732,003.30 and 143,897,512.60 is: 215,846,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,488,002.20 : 330,732,003.30 = 143,897,512.60 : x
  2. Step 2: Convert to fraction form
    220,488,002.20/330,732,003.30 = 143,897,512.60/x
  3. Step 3: Cross multiply
    220,488,002.20x = 330,732,003.30 × 143,897,512.60
  4. Step 4: Simplify right side
    220,488,002.20x = 47,591,512,612,084,992
  5. Step 5: Solve for x
    x = 47,591,512,612,084,992/220,488,002.20
  6. Step 6: Final answer
    x = 215,846,268.90

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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.