Home / 231,760,229.20-347,640,343.80-194,346,782.80

Finding the Fourth Proportional to 231,760,229.20, 347,640,343.80 and 194,346,782.80

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Solution

The fourth proportional to 231,760,229.20, 347,640,343.80 and 194,346,782.80 is: 291,520,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760,229.20 : 347,640,343.80 = 194,346,782.80 : x
  2. Step 2: Convert to fraction form
    231,760,229.20/347,640,343.80 = 194,346,782.80/x
  3. Step 3: Cross multiply
    231,760,229.20x = 347,640,343.80 × 194,346,782.80
  4. Step 4: Simplify right side
    231,760,229.20x = 67,562,782,389,015,936
  5. Step 5: Solve for x
    x = 67,562,782,389,015,936/231,760,229.20
  6. Step 6: Final answer
    x = 291,520,174.20

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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.