Home / 115,117,135.20-172,770,181.20-111,337,999.20

Finding the Fourth Proportional to 115,117,135.20, 172,770,181.20 and 111,337,999.20

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Solution

The fourth proportional to 115,117,135.20, 172,770,181.20 and 111,337,999.20 is: 167,098,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,117,135.20 : 172,770,181.20 = 111,337,999.20 : x
  2. Step 2: Convert to fraction form
    115,117,135.20/172,770,181.20 = 111,337,999.20/x
  3. Step 3: Cross multiply
    115,117,135.20x = 172,770,181.20 × 111,337,999.20
  4. Step 4: Simplify right side
    115,117,135.20x = 19,235,886,296,229,456
  5. Step 5: Solve for x
    x = 19,235,886,296,229,456/115,117,135.20
  6. Step 6: Final answer
    x = 167,098,375.61

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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.