Home / 193,470,874.92-289,919,331.41-142,101,787.86

Finding the Fourth Proportional to 193,470,874.92, 289,919,331.41 and 142,101,787.86

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Solution

The fourth proportional to 193,470,874.92, 289,919,331.41 and 142,101,787.86 is: 212,941,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,470,874.92 : 289,919,331.41 = 142,101,787.86 : x
  2. Step 2: Convert to fraction form
    193,470,874.92/289,919,331.41 = 142,101,787.86/x
  3. Step 3: Cross multiply
    193,470,874.92x = 289,919,331.41 × 142,101,787.86
  4. Step 4: Simplify right side
    193,470,874.92x = 41,198,055,327,826,344
  5. Step 5: Solve for x
    x = 41,198,055,327,826,344/193,470,874.92
  6. Step 6: Final answer
    x = 212,941,898.08

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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.