Home / 171,072,002.20-256,608,003.30-49,915,701.40

Finding the Fourth Proportional to 171,072,002.20, 256,608,003.30 and 49,915,701.40

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Solution

The fourth proportional to 171,072,002.20, 256,608,003.30 and 49,915,701.40 is: 74,873,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,002.20 : 256,608,003.30 = 49,915,701.40 : x
  2. Step 2: Convert to fraction form
    171,072,002.20/256,608,003.30 = 49,915,701.40/x
  3. Step 3: Cross multiply
    171,072,002.20x = 256,608,003.30 × 49,915,701.40
  4. Step 4: Simplify right side
    171,072,002.20x = 12,808,768,469,573,014
  5. Step 5: Solve for x
    x = 12,808,768,469,573,014/171,072,002.20
  6. Step 6: Final answer
    x = 74,873,552.10

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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.