Home / 199,115,635.20-298,673,452.80-178,708,300.80

Finding the Fourth Proportional to 199,115,635.20, 298,673,452.80 and 178,708,300.80

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Solution

The fourth proportional to 199,115,635.20, 298,673,452.80 and 178,708,300.80 is: 268,062,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115,635.20 : 298,673,452.80 = 178,708,300.80 : x
  2. Step 2: Convert to fraction form
    199,115,635.20/298,673,452.80 = 178,708,300.80/x
  3. Step 3: Cross multiply
    199,115,635.20x = 298,673,452.80 × 178,708,300.80
  4. Step 4: Simplify right side
    199,115,635.20x = 53,375,425,243,957,008
  5. Step 5: Solve for x
    x = 53,375,425,243,957,008/199,115,635.20
  6. Step 6: Final answer
    x = 268,062,451.20

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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.