Home / 132,100,077.10-198,150,115.65-80,444,011.90

Finding the Fourth Proportional to 132,100,077.10, 198,150,115.65 and 80,444,011.90

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Solution

The fourth proportional to 132,100,077.10, 198,150,115.65 and 80,444,011.90 is: 120,666,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100,077.10 : 198,150,115.65 = 80,444,011.90 : x
  2. Step 2: Convert to fraction form
    132,100,077.10/198,150,115.65 = 80,444,011.90/x
  3. Step 3: Cross multiply
    132,100,077.10x = 198,150,115.65 × 80,444,011.90
  4. Step 4: Simplify right side
    132,100,077.10x = 15,939,990,261,334,978
  5. Step 5: Solve for x
    x = 15,939,990,261,334,978/132,100,077.10
  6. Step 6: Final answer
    x = 120,666,017.85

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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.