Home / 275,296,993.75-379,919,876.04-149,843,130.43

Finding the Fourth Proportional to 275,296,993.75, 379,919,876.04 and 149,843,130.43

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Solution

The fourth proportional to 275,296,993.75, 379,919,876.04 and 149,843,130.43 is: 206,788,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,296,993.75 : 379,919,876.04 = 149,843,130.43 : x
  2. Step 2: Convert to fraction form
    275,296,993.75/379,919,876.04 = 149,843,130.43/x
  3. Step 3: Cross multiply
    275,296,993.75x = 379,919,876.04 × 149,843,130.43
  4. Step 4: Simplify right side
    275,296,993.75x = 56,928,383,535,762,344
  5. Step 5: Solve for x
    x = 56,928,383,535,762,344/275,296,993.75
  6. Step 6: Final answer
    x = 206,788,976.37

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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.