Home / 111,217,930.70-166,826,896.05-103,659,658.70

Finding the Fourth Proportional to 111,217,930.70, 166,826,896.05 and 103,659,658.70

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Solution

The fourth proportional to 111,217,930.70, 166,826,896.05 and 103,659,658.70 is: 155,489,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217,930.70 : 166,826,896.05 = 103,659,658.70 : x
  2. Step 2: Convert to fraction form
    111,217,930.70/166,826,896.05 = 103,659,658.70/x
  3. Step 3: Cross multiply
    111,217,930.70x = 166,826,896.05 × 103,659,658.70
  4. Step 4: Simplify right side
    111,217,930.70x = 17,293,219,106,523,380
  5. Step 5: Solve for x
    x = 17,293,219,106,523,380/111,217,930.70
  6. Step 6: Final answer
    x = 155,489,488.05

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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.