Home / 111,091,371.78-166,637,609.82-45,548,309.64

Finding the Fourth Proportional to 111,091,371.78, 166,637,609.82 and 45,548,309.64

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Solution

The fourth proportional to 111,091,371.78, 166,637,609.82 and 45,548,309.64 is: 68,322,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,091,371.78 : 166,637,609.82 = 45,548,309.64 : x
  2. Step 2: Convert to fraction form
    111,091,371.78/166,637,609.82 = 45,548,309.64/x
  3. Step 3: Cross multiply
    111,091,371.78x = 166,637,609.82 × 45,548,309.64
  4. Step 4: Simplify right side
    111,091,371.78x = 7,590,061,449,750,864
  5. Step 5: Solve for x
    x = 7,590,061,449,750,864/111,091,371.78
  6. Step 6: Final answer
    x = 68,322,690.85

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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.