Home / 111,218,116.45-166,827,174.68-103,659,844.45

Finding the Fourth Proportional to 111,218,116.45, 166,827,174.68 and 103,659,844.45

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Solution

The fourth proportional to 111,218,116.45, 166,827,174.68 and 103,659,844.45 is: 155,489,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218,116.45 : 166,827,174.68 = 103,659,844.45 : x
  2. Step 2: Convert to fraction form
    111,218,116.45/166,827,174.68 = 103,659,844.45/x
  3. Step 3: Cross multiply
    111,218,116.45x = 166,827,174.68 × 103,659,844.45
  4. Step 4: Simplify right side
    111,218,116.45x = 17,293,278,977,361,780
  5. Step 5: Solve for x
    x = 17,293,278,977,361,780/111,218,116.45
  6. Step 6: Final answer
    x = 155,489,766.68

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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.