Home / 323,383,042.20-485,145,422.10-104,996,220.60

Finding the Fourth Proportional to 323,383,042.20, 485,145,422.10 and 104,996,220.60

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Solution

The fourth proportional to 323,383,042.20, 485,145,422.10 and 104,996,220.60 is: 157,517,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,383,042.20 : 485,145,422.10 = 104,996,220.60 : x
  2. Step 2: Convert to fraction form
    323,383,042.20/485,145,422.10 = 104,996,220.60/x
  3. Step 3: Cross multiply
    323,383,042.20x = 485,145,422.10 × 104,996,220.60
  4. Step 4: Simplify right side
    323,383,042.20x = 50,938,435,761,891,712
  5. Step 5: Solve for x
    x = 50,938,435,761,891,712/323,383,042.20
  6. Step 6: Final answer
    x = 157,517,337.38

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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.