Home / 110,667,763.20-166,001,644.80-109,156,108.80

Finding the Fourth Proportional to 110,667,763.20, 166,001,644.80 and 109,156,108.80

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Solution

The fourth proportional to 110,667,763.20, 166,001,644.80 and 109,156,108.80 is: 163,734,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,667,763.20 : 166,001,644.80 = 109,156,108.80 : x
  2. Step 2: Convert to fraction form
    110,667,763.20/166,001,644.80 = 109,156,108.80/x
  3. Step 3: Cross multiply
    110,667,763.20x = 166,001,644.80 × 109,156,108.80
  4. Step 4: Simplify right side
    110,667,763.20x = 18,120,093,600,767,756
  5. Step 5: Solve for x
    x = 18,120,093,600,767,756/110,667,763.20
  6. Step 6: Final answer
    x = 163,734,163.20

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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.