Home / 136,680,003,435.20-188,618,339,136.56-81,747,175,512.68

Finding the Fourth Proportional to 136,680,003,435.20, 188,618,339,136.56 and 81,747,175,512.68

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Solution

The fourth proportional to 136,680,003,435.20, 188,618,339,136.56 and 81,747,175,512.68 is: 112,811,062,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,680,003,435.20 : 188,618,339,136.56 = 81,747,175,512.68 : x
  2. Step 2: Convert to fraction form
    136,680,003,435.20/188,618,339,136.56 = 81,747,175,512.68/x
  3. Step 3: Cross multiply
    136,680,003,435.20x = 188,618,339,136.56 × 81,747,175,512.68
  4. Step 4: Simplify right side
    136,680,003,435.20x = 15,419,016,474,306,568,781,824
  5. Step 5: Solve for x
    x = 15,419,016,474,306,568,781,824/136,680,003,435.20
  6. Step 6: Final answer
    x = 112,811,062,970.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.