Home / 261,467,999.20-391,194,229.20-170,768,735.20

Finding the Fourth Proportional to 261,467,999.20, 391,194,229.20 and 170,768,735.20

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Solution

The fourth proportional to 261,467,999.20, 391,194,229.20 and 170,768,735.20 is: 255,494,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,467,999.20 : 391,194,229.20 = 170,768,735.20 : x
  2. Step 2: Convert to fraction form
    261,467,999.20/391,194,229.20 = 170,768,735.20/x
  3. Step 3: Cross multiply
    261,467,999.20x = 391,194,229.20 × 170,768,735.20
  4. Step 4: Simplify right side
    261,467,999.20x = 66,803,743,738,022,904
  5. Step 5: Solve for x
    x = 66,803,743,738,022,904/261,467,999.20
  6. Step 6: Final answer
    x = 255,494,913.12

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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.