Home / 108,815,043.20-162,844,651.20-74,802,819.20

Finding the Fourth Proportional to 108,815,043.20, 162,844,651.20 and 74,802,819.20

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Solution

The fourth proportional to 108,815,043.20, 162,844,651.20 and 74,802,819.20 is: 111,944,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,815,043.20 : 162,844,651.20 = 74,802,819.20 : x
  2. Step 2: Convert to fraction form
    108,815,043.20/162,844,651.20 = 74,802,819.20/x
  3. Step 3: Cross multiply
    108,815,043.20x = 162,844,651.20 × 74,802,819.20
  4. Step 4: Simplify right side
    108,815,043.20x = 12,181,239,001,400,662
  5. Step 5: Solve for x
    x = 12,181,239,001,400,662/108,815,043.20
  6. Step 6: Final answer
    x = 111,944,439.33

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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.