Home / 275,296,846.28-379,919,672.87-149,842,983.29

Finding the Fourth Proportional to 275,296,846.28, 379,919,672.87 and 149,842,983.29

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Solution

The fourth proportional to 275,296,846.28, 379,919,672.87 and 149,842,983.29 is: 206,788,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,296,846.28 : 379,919,672.87 = 149,842,983.29 : x
  2. Step 2: Convert to fraction form
    275,296,846.28/379,919,672.87 = 149,842,983.29/x
  3. Step 3: Cross multiply
    275,296,846.28x = 379,919,672.87 × 149,842,983.29
  4. Step 4: Simplify right side
    275,296,846.28x = 56,928,297,190,752,864
  5. Step 5: Solve for x
    x = 56,928,297,190,752,864/275,296,846.28
  6. Step 6: Final answer
    x = 206,788,773.50

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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.