Home / 220,100,635.20-330,182,445.60-66,758,692.80

Finding the Fourth Proportional to 220,100,635.20, 330,182,445.60 and 66,758,692.80

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Solution

The fourth proportional to 220,100,635.20, 330,182,445.60 and 66,758,692.80 is: 100,147,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,635.20 : 330,182,445.60 = 66,758,692.80 : x
  2. Step 2: Convert to fraction form
    220,100,635.20/330,182,445.60 = 66,758,692.80/x
  3. Step 3: Cross multiply
    220,100,635.20x = 330,182,445.60 × 66,758,692.80
  4. Step 4: Simplify right side
    220,100,635.20x = 22,042,548,453,763,112
  5. Step 5: Solve for x
    x = 22,042,548,453,763,112/220,100,635.20
  6. Step 6: Final answer
    x = 100,147,591.28

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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.