Home / 100,704,961.15-138,897,934.08-88,923,443.69

Finding the Fourth Proportional to 100,704,961.15, 138,897,934.08 and 88,923,443.69

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Solution

The fourth proportional to 100,704,961.15, 138,897,934.08 and 88,923,443.69 is: 122,648,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,704,961.15 : 138,897,934.08 = 88,923,443.69 : x
  2. Step 2: Convert to fraction form
    100,704,961.15/138,897,934.08 = 88,923,443.69/x
  3. Step 3: Cross multiply
    100,704,961.15x = 138,897,934.08 × 88,923,443.69
  4. Step 4: Simplify right side
    100,704,961.15x = 12,351,282,620,584,508
  5. Step 5: Solve for x
    x = 12,351,282,620,584,508/100,704,961.15
  6. Step 6: Final answer
    x = 122,648,204.02

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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.