Home / 271,891,391.20-407,780,408.40-99,449,432.80

Finding the Fourth Proportional to 271,891,391.20, 407,780,408.40 and 99,449,432.80

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Solution

The fourth proportional to 271,891,391.20, 407,780,408.40 and 99,449,432.80 is: 149,153,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,891,391.20 : 407,780,408.40 = 99,449,432.80 : x
  2. Step 2: Convert to fraction form
    271,891,391.20/407,780,408.40 = 99,449,432.80/x
  3. Step 3: Cross multiply
    271,891,391.20x = 407,780,408.40 × 99,449,432.80
  4. Step 4: Simplify right side
    271,891,391.20x = 40,553,530,322,332,352
  5. Step 5: Solve for x
    x = 40,553,530,322,332,352/271,891,391.20
  6. Step 6: Final answer
    x = 149,153,418.00

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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.