Home / 110,084,171.20-165,200,906.40-71,652,068.80

Finding the Fourth Proportional to 110,084,171.20, 165,200,906.40 and 71,652,068.80

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Solution

The fourth proportional to 110,084,171.20, 165,200,906.40 and 71,652,068.80 is: 107,526,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,084,171.20 : 165,200,906.40 = 71,652,068.80 : x
  2. Step 2: Convert to fraction form
    110,084,171.20/165,200,906.40 = 71,652,068.80/x
  3. Step 3: Cross multiply
    110,084,171.20x = 165,200,906.40 × 71,652,068.80
  4. Step 4: Simplify right side
    110,084,171.20x = 11,836,986,711,195,160
  5. Step 5: Solve for x
    x = 11,836,986,711,195,160/110,084,171.20
  6. Step 6: Final answer
    x = 107,526,691.46

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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.