Home / 120,906,634.20-166,851,200.07-68,695,738.44

Finding the Fourth Proportional to 120,906,634.20, 166,851,200.07 and 68,695,738.44

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Solution

The fourth proportional to 120,906,634.20, 166,851,200.07 and 68,695,738.44 is: 94,800,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,906,634.20 : 166,851,200.07 = 68,695,738.44 : x
  2. Step 2: Convert to fraction form
    120,906,634.20/166,851,200.07 = 68,695,738.44/x
  3. Step 3: Cross multiply
    120,906,634.20x = 166,851,200.07 × 68,695,738.44
  4. Step 4: Simplify right side
    120,906,634.20x = 11,461,966,398,408,828
  5. Step 5: Solve for x
    x = 11,461,966,398,408,828/120,906,634.20
  6. Step 6: Final answer
    x = 94,800,144.54

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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.