Home / 120,682,349.85-181,023,524.78-108,589,114.65

Finding the Fourth Proportional to 120,682,349.85, 181,023,524.78 and 108,589,114.65

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Solution

The fourth proportional to 120,682,349.85, 181,023,524.78 and 108,589,114.65 is: 162,883,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,682,349.85 : 181,023,524.78 = 108,589,114.65 : x
  2. Step 2: Convert to fraction form
    120,682,349.85/181,023,524.78 = 108,589,114.65/x
  3. Step 3: Cross multiply
    120,682,349.85x = 181,023,524.78 × 108,589,114.65
  4. Step 4: Simplify right side
    120,682,349.85x = 19,657,184,286,139,592
  5. Step 5: Solve for x
    x = 19,657,184,286,139,592/120,682,349.85
  6. Step 6: Final answer
    x = 162,883,671.98

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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.