Home / 136,206,838.10-204,310,257.15-90,620,815.70

Finding the Fourth Proportional to 136,206,838.10, 204,310,257.15 and 90,620,815.70

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Solution

The fourth proportional to 136,206,838.10, 204,310,257.15 and 90,620,815.70 is: 135,931,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,206,838.10 : 204,310,257.15 = 90,620,815.70 : x
  2. Step 2: Convert to fraction form
    136,206,838.10/204,310,257.15 = 90,620,815.70/x
  3. Step 3: Cross multiply
    136,206,838.10x = 204,310,257.15 × 90,620,815.70
  4. Step 4: Simplify right side
    136,206,838.10x = 18,514,762,158,809,760
  5. Step 5: Solve for x
    x = 18,514,762,158,809,760/136,206,838.10
  6. Step 6: Final answer
    x = 135,931,223.55

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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.