Home / 168,048,886.87-231,923,996.12-101,964,198.52

Finding the Fourth Proportional to 168,048,886.87, 231,923,996.12 and 101,964,198.52

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Solution

The fourth proportional to 168,048,886.87, 231,923,996.12 and 101,964,198.52 is: 140,720,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048,886.87 : 231,923,996.12 = 101,964,198.52 : x
  2. Step 2: Convert to fraction form
    168,048,886.87/231,923,996.12 = 101,964,198.52/x
  3. Step 3: Cross multiply
    168,048,886.87x = 231,923,996.12 × 101,964,198.52
  4. Step 4: Simplify right side
    168,048,886.87x = 23,647,944,381,931,388
  5. Step 5: Solve for x
    x = 23,647,944,381,931,388/168,048,886.87
  6. Step 6: Final answer
    x = 140,720,624.95

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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.