Home / 137,796,519.15-206,694,778.73-51,517,072.80

Finding the Fourth Proportional to 137,796,519.15, 206,694,778.73 and 51,517,072.80

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Solution

The fourth proportional to 137,796,519.15, 206,694,778.73 and 51,517,072.80 is: 77,275,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,796,519.15 : 206,694,778.73 = 51,517,072.80 : x
  2. Step 2: Convert to fraction form
    137,796,519.15/206,694,778.73 = 51,517,072.80/x
  3. Step 3: Cross multiply
    137,796,519.15x = 206,694,778.73 × 51,517,072.80
  4. Step 4: Simplify right side
    137,796,519.15x = 10,648,309,962,955,716
  5. Step 5: Solve for x
    x = 10,648,309,962,955,716/137,796,519.15
  6. Step 6: Final answer
    x = 77,275,609.20

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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.