Home / 126,957,820.74-172,857,919.56-126,554,712.90

Finding the Fourth Proportional to 126,957,820.74, 172,857,919.56 and 126,554,712.90

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Solution

The fourth proportional to 126,957,820.74, 172,857,919.56 and 126,554,712.90 is: 172,309,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957,820.74 : 172,857,919.56 = 126,554,712.90 : x
  2. Step 2: Convert to fraction form
    126,957,820.74/172,857,919.56 = 126,554,712.90/x
  3. Step 3: Cross multiply
    126,957,820.74x = 172,857,919.56 × 126,554,712.90
  4. Step 4: Simplify right side
    126,957,820.74x = 21,875,984,382,407,096
  5. Step 5: Solve for x
    x = 21,875,984,382,407,096/126,957,820.74
  6. Step 6: Final answer
    x = 172,309,072.85

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.