Home / 101,910,919.62-152,715,213.92-74,852,305.86

Finding the Fourth Proportional to 101,910,919.62, 152,715,213.92 and 74,852,305.86

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Solution

The fourth proportional to 101,910,919.62, 152,715,213.92 and 74,852,305.86 is: 112,167,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910,919.62 : 152,715,213.92 = 74,852,305.86 : x
  2. Step 2: Convert to fraction form
    101,910,919.62/152,715,213.92 = 74,852,305.86/x
  3. Step 3: Cross multiply
    101,910,919.62x = 152,715,213.92 × 74,852,305.86
  4. Step 4: Simplify right side
    101,910,919.62x = 11,431,085,901,815,168
  5. Step 5: Solve for x
    x = 11,431,085,901,815,168/101,910,919.62
  6. Step 6: Final answer
    x = 112,167,429.60

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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.