Home / 324,198,630.80-486,297,946.20-81,861,534.80

Finding the Fourth Proportional to 324,198,630.80, 486,297,946.20 and 81,861,534.80

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Solution

The fourth proportional to 324,198,630.80, 486,297,946.20 and 81,861,534.80 is: 122,792,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,198,630.80 : 486,297,946.20 = 81,861,534.80 : x
  2. Step 2: Convert to fraction form
    324,198,630.80/486,297,946.20 = 81,861,534.80/x
  3. Step 3: Cross multiply
    324,198,630.80x = 486,297,946.20 × 81,861,534.80
  4. Step 4: Simplify right side
    324,198,630.80x = 39,809,096,246,019,824
  5. Step 5: Solve for x
    x = 39,809,096,246,019,824/324,198,630.80
  6. Step 6: Final answer
    x = 122,792,302.20

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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.