Home / 120,384,781.85-166,141,244.94-68,183,103.89

Finding the Fourth Proportional to 120,384,781.85, 166,141,244.94 and 68,183,103.89

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Solution

The fourth proportional to 120,384,781.85, 166,141,244.94 and 68,183,103.89 is: 94,098,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,781.85 : 166,141,244.94 = 68,183,103.89 : x
  2. Step 2: Convert to fraction form
    120,384,781.85/166,141,244.94 = 68,183,103.89/x
  3. Step 3: Cross multiply
    120,384,781.85x = 166,141,244.94 × 68,183,103.89
  4. Step 4: Simplify right side
    120,384,781.85x = 11,328,025,764,157,956
  5. Step 5: Solve for x
    x = 11,328,025,764,157,956/120,384,781.85
  6. Step 6: Final answer
    x = 94,098,486.45

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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.