Home / 136,282,759.10-204,424,138.65-81,863,200.70

Finding the Fourth Proportional to 136,282,759.10, 204,424,138.65 and 81,863,200.70

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Solution

The fourth proportional to 136,282,759.10, 204,424,138.65 and 81,863,200.70 is: 122,794,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282,759.10 : 204,424,138.65 = 81,863,200.70 : x
  2. Step 2: Convert to fraction form
    136,282,759.10/204,424,138.65 = 81,863,200.70/x
  3. Step 3: Cross multiply
    136,282,759.10x = 204,424,138.65 × 81,863,200.70
  4. Step 4: Simplify right side
    136,282,759.10x = 16,734,814,290,229,578
  5. Step 5: Solve for x
    x = 16,734,814,290,229,578/136,282,759.10
  6. Step 6: Final answer
    x = 122,794,801.05

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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.