Home / 53,946,002.20-80,919,003.30-49,003,600.90

Finding the Fourth Proportional to 53,946,002.20, 80,919,003.30 and 49,003,600.90

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Solution

The fourth proportional to 53,946,002.20, 80,919,003.30 and 49,003,600.90 is: 73,505,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946,002.20 : 80,919,003.30 = 49,003,600.90 : x
  2. Step 2: Convert to fraction form
    53,946,002.20/80,919,003.30 = 49,003,600.90/x
  3. Step 3: Cross multiply
    53,946,002.20x = 80,919,003.30 × 49,003,600.90
  4. Step 4: Simplify right side
    53,946,002.20x = 3,965,322,542,938,982.50
  5. Step 5: Solve for x
    x = 3,965,322,542,938,982.50/53,946,002.20
  6. Step 6: Final answer
    x = 73,505,401.35

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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.