Home / 261,664,489.20-361,099,416.78-144,194,023.38

Finding the Fourth Proportional to 261,664,489.20, 361,099,416.78 and 144,194,023.38

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Solution

The fourth proportional to 261,664,489.20, 361,099,416.78 and 144,194,023.38 is: 198,989,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,664,489.20 : 361,099,416.78 = 144,194,023.38 : x
  2. Step 2: Convert to fraction form
    261,664,489.20/361,099,416.78 = 144,194,023.38/x
  3. Step 3: Cross multiply
    261,664,489.20x = 361,099,416.78 × 144,194,023.38
  4. Step 4: Simplify right side
    261,664,489.20x = 52,068,377,745,679,680
  5. Step 5: Solve for x
    x = 52,068,377,745,679,680/261,664,489.20
  6. Step 6: Final answer
    x = 198,989,086.77

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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.