Home / 136,206,820.10-204,310,230.15-90,620,797.70

Finding the Fourth Proportional to 136,206,820.10, 204,310,230.15 and 90,620,797.70

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Solution

The fourth proportional to 136,206,820.10, 204,310,230.15 and 90,620,797.70 is: 135,931,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,206,820.10 : 204,310,230.15 = 90,620,797.70 : x
  2. Step 2: Convert to fraction form
    136,206,820.10/204,310,230.15 = 90,620,797.70/x
  3. Step 3: Cross multiply
    136,206,820.10x = 204,310,230.15 × 90,620,797.70
  4. Step 4: Simplify right side
    136,206,820.10x = 18,514,756,034,463,592
  5. Step 5: Solve for x
    x = 18,514,756,034,463,592/136,206,820.10
  6. Step 6: Final answer
    x = 135,931,196.55

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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.