Home / 275,265,241.56-379,866,012.12-149,818,336.92

Finding the Fourth Proportional to 275,265,241.56, 379,866,012.12 and 149,818,336.92

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Solution

The fourth proportional to 275,265,241.56, 379,866,012.12 and 149,818,336.92 is: 206,749,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,265,241.56 : 379,866,012.12 = 149,818,336.92 : x
  2. Step 2: Convert to fraction form
    275,265,241.56/379,866,012.12 = 149,818,336.92/x
  3. Step 3: Cross multiply
    275,265,241.56x = 379,866,012.12 × 149,818,336.92
  4. Step 4: Simplify right side
    275,265,241.56x = 56,910,894,188,250,960
  5. Step 5: Solve for x
    x = 56,910,894,188,250,960/275,265,241.56
  6. Step 6: Final answer
    x = 206,749,293.39

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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.