Home / 120,682,252.35-181,023,378.53-108,589,017.15

Finding the Fourth Proportional to 120,682,252.35, 181,023,378.53 and 108,589,017.15

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Solution

The fourth proportional to 120,682,252.35, 181,023,378.53 and 108,589,017.15 is: 162,883,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,682,252.35 : 181,023,378.53 = 108,589,017.15 : x
  2. Step 2: Convert to fraction form
    120,682,252.35/181,023,378.53 = 108,589,017.15/x
  3. Step 3: Cross multiply
    120,682,252.35x = 181,023,378.53 × 108,589,017.15
  4. Step 4: Simplify right side
    120,682,252.35x = 19,657,150,755,202,168
  5. Step 5: Solve for x
    x = 19,657,150,755,202,168/120,682,252.35
  6. Step 6: Final answer
    x = 162,883,525.73

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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.