Home / 120,384,740.74-166,141,187.88-68,183,062.78

Finding the Fourth Proportional to 120,384,740.74, 166,141,187.88 and 68,183,062.78

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Solution

The fourth proportional to 120,384,740.74, 166,141,187.88 and 68,183,062.78 is: 94,098,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,740.74 : 166,141,187.88 = 68,183,062.78 : x
  2. Step 2: Convert to fraction form
    120,384,740.74/166,141,187.88 = 68,183,062.78/x
  3. Step 3: Cross multiply
    120,384,740.74x = 166,141,187.88 × 68,183,062.78
  4. Step 4: Simplify right side
    120,384,740.74x = 11,328,015,043,565,814
  5. Step 5: Solve for x
    x = 11,328,015,043,565,814/120,384,740.74
  6. Step 6: Final answer
    x = 94,098,429.53

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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.