Home / 271,930,029.58-408,015,616.11-142,506,868.78

Finding the Fourth Proportional to 271,930,029.58, 408,015,616.11 and 142,506,868.78

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Solution

The fourth proportional to 271,930,029.58, 408,015,616.11 and 142,506,868.78 is: 213,823,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,930,029.58 : 408,015,616.11 = 142,506,868.78 : x
  2. Step 2: Convert to fraction form
    271,930,029.58/408,015,616.11 = 142,506,868.78/x
  3. Step 3: Cross multiply
    271,930,029.58x = 408,015,616.11 × 142,506,868.78
  4. Step 4: Simplify right side
    271,930,029.58x = 58,145,027,865,178,624
  5. Step 5: Solve for x
    x = 58,145,027,865,178,624/271,930,029.58
  6. Step 6: Final answer
    x = 213,823,489.65

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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.