Home / 121,003,408.44-166,998,821.04-68,800,266

Finding the Fourth Proportional to 121,003,408.44, 166,998,821.04 and 68,800,266

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Solution

The fourth proportional to 121,003,408.44, 166,998,821.04 and 68,800,266 is: 94,952,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003,408.44 : 166,998,821.04 = 68,800,266 : x
  2. Step 2: Convert to fraction form
    121,003,408.44/166,998,821.04 = 68,800,266/x
  3. Step 3: Cross multiply
    121,003,408.44x = 166,998,821.04 × 68,800,266
  4. Step 4: Simplify right side
    121,003,408.44x = 11,489,563,309,238,396
  5. Step 5: Solve for x
    x = 11,489,563,309,238,396/121,003,408.44
  6. Step 6: Final answer
    x = 94,952,393.96

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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.