Home / 324,198,622.80-486,297,934.20-81,861,526.80

Finding the Fourth Proportional to 324,198,622.80, 486,297,934.20 and 81,861,526.80

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Solution

The fourth proportional to 324,198,622.80, 486,297,934.20 and 81,861,526.80 is: 122,792,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,198,622.80 : 486,297,934.20 = 81,861,526.80 : x
  2. Step 2: Convert to fraction form
    324,198,622.80/486,297,934.20 = 81,861,526.80/x
  3. Step 3: Cross multiply
    324,198,622.80x = 486,297,934.20 × 81,861,526.80
  4. Step 4: Simplify right side
    324,198,622.80x = 39,809,091,373,297,936
  5. Step 5: Solve for x
    x = 39,809,091,373,297,936/324,198,622.80
  6. Step 6: Final answer
    x = 122,792,290.20

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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.