Home / 220,223,626.60-330,335,439.90-76,616,458.60

Finding the Fourth Proportional to 220,223,626.60, 330,335,439.90 and 76,616,458.60

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Solution

The fourth proportional to 220,223,626.60, 330,335,439.90 and 76,616,458.60 is: 114,924,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223,626.60 : 330,335,439.90 = 76,616,458.60 : x
  2. Step 2: Convert to fraction form
    220,223,626.60/330,335,439.90 = 76,616,458.60/x
  3. Step 3: Cross multiply
    220,223,626.60x = 330,335,439.90 × 76,616,458.60
  4. Step 4: Simplify right side
    220,223,626.60x = 25,309,131,555,211,136
  5. Step 5: Solve for x
    x = 25,309,131,555,211,136/220,223,626.60
  6. Step 6: Final answer
    x = 114,924,687.90

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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.