Home / 111,217,885.20-166,826,827.80-103,659,613.20

Finding the Fourth Proportional to 111,217,885.20, 166,826,827.80 and 103,659,613.20

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Solution

The fourth proportional to 111,217,885.20, 166,826,827.80 and 103,659,613.20 is: 155,489,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217,885.20 : 166,826,827.80 = 103,659,613.20 : x
  2. Step 2: Convert to fraction form
    111,217,885.20/166,826,827.80 = 103,659,613.20/x
  3. Step 3: Cross multiply
    111,217,885.20x = 166,826,827.80 × 103,659,613.20
  4. Step 4: Simplify right side
    111,217,885.20x = 17,293,204,441,131,008
  5. Step 5: Solve for x
    x = 17,293,204,441,131,008/111,217,885.20
  6. Step 6: Final answer
    x = 155,489,419.80

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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.