Home / 49,768,809.20-74,642,010.60-17,856,105.20

Finding the Fourth Proportional to 49,768,809.20, 74,642,010.60 and 17,856,105.20

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Solution

The fourth proportional to 49,768,809.20, 74,642,010.60 and 17,856,105.20 is: 26,780,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768,809.20 : 74,642,010.60 = 17,856,105.20 : x
  2. Step 2: Convert to fraction form
    49,768,809.20/74,642,010.60 = 17,856,105.20/x
  3. Step 3: Cross multiply
    49,768,809.20x = 74,642,010.60 × 17,856,105.20
  4. Step 4: Simplify right side
    49,768,809.20x = 1,332,815,593,613,115
  5. Step 5: Solve for x
    x = 1,332,815,593,613,115/49,768,809.20
  6. Step 6: Final answer
    x = 26,780,138.30

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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.