Home / 49,853,079.20-74,772,620.40-15,777,869.60

Finding the Fourth Proportional to 49,853,079.20, 74,772,620.40 and 15,777,869.60

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Solution

The fourth proportional to 49,853,079.20, 74,772,620.40 and 15,777,869.60 is: 23,664,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,853,079.20 : 74,772,620.40 = 15,777,869.60 : x
  2. Step 2: Convert to fraction form
    49,853,079.20/74,772,620.40 = 15,777,869.60/x
  3. Step 3: Cross multiply
    49,853,079.20x = 74,772,620.40 × 15,777,869.60
  4. Step 4: Simplify right side
    49,853,079.20x = 1,179,752,654,321,500
  5. Step 5: Solve for x
    x = 1,179,752,654,321,500/49,853,079.20
  6. Step 6: Final answer
    x = 23,664,589.49

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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.