Home / 293,530,311.20-405,072,090.04-161,373,556.20

Finding the Fourth Proportional to 293,530,311.20, 405,072,090.04 and 161,373,556.20

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Solution

The fourth proportional to 293,530,311.20, 405,072,090.04 and 161,373,556.20 is: 222,695,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,530,311.20 : 405,072,090.04 = 161,373,556.20 : x
  2. Step 2: Convert to fraction form
    293,530,311.20/405,072,090.04 = 161,373,556.20/x
  3. Step 3: Cross multiply
    293,530,311.20x = 405,072,090.04 × 161,373,556.20
  4. Step 4: Simplify right side
    293,530,311.20x = 65,367,923,687,121,400
  5. Step 5: Solve for x
    x = 65,367,923,687,121,400/293,530,311.20
  6. Step 6: Final answer
    x = 222,695,650.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.