Home / 199,115,337.20-298,673,005.80-178,708,002.80

Finding the Fourth Proportional to 199,115,337.20, 298,673,005.80 and 178,708,002.80

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Solution

The fourth proportional to 199,115,337.20, 298,673,005.80 and 178,708,002.80 is: 268,062,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115,337.20 : 298,673,005.80 = 178,708,002.80 : x
  2. Step 2: Convert to fraction form
    199,115,337.20/298,673,005.80 = 178,708,002.80/x
  3. Step 3: Cross multiply
    199,115,337.20x = 298,673,005.80 × 178,708,002.80
  4. Step 4: Simplify right side
    199,115,337.20x = 53,375,256,356,790,824
  5. Step 5: Solve for x
    x = 53,375,256,356,790,824/199,115,337.20
  6. Step 6: Final answer
    x = 268,062,004.20

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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.