Home / 66,023,542,458.40-99,035,313,687.60-45,126,432,032.80

Finding the Fourth Proportional to 66,023,542,458.40, 99,035,313,687.60 and 45,126,432,032.80

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Solution

The fourth proportional to 66,023,542,458.40, 99,035,313,687.60 and 45,126,432,032.80 is: 67,689,648,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023,542,458.40 : 99,035,313,687.60 = 45,126,432,032.80 : x
  2. Step 2: Convert to fraction form
    66,023,542,458.40/99,035,313,687.60 = 45,126,432,032.80/x
  3. Step 3: Cross multiply
    66,023,542,458.40x = 99,035,313,687.60 × 45,126,432,032.80
  4. Step 4: Simplify right side
    66,023,542,458.40x = 4,469,110,351,970,509,520,896
  5. Step 5: Solve for x
    x = 4,469,110,351,970,509,520,896/66,023,542,458.40
  6. Step 6: Final answer
    x = 67,689,648,049.20

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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.