Home / 261,468,002.20-391,194,233.70-170,768,738.20

Finding the Fourth Proportional to 261,468,002.20, 391,194,233.70 and 170,768,738.20

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Solution

The fourth proportional to 261,468,002.20, 391,194,233.70 and 170,768,738.20 is: 255,494,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,468,002.20 : 391,194,233.70 = 170,768,738.20 : x
  2. Step 2: Convert to fraction form
    261,468,002.20/391,194,233.70 = 170,768,738.20/x
  3. Step 3: Cross multiply
    261,468,002.20x = 391,194,233.70 × 170,768,738.20
  4. Step 4: Simplify right side
    261,468,002.20x = 66,803,745,680,064,912
  5. Step 5: Solve for x
    x = 66,803,745,680,064,912/261,468,002.20
  6. Step 6: Final answer
    x = 255,494,917.61

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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.