Home / 51,682,396.22-71,324,883.78-28,477,517.04

Finding the Fourth Proportional to 51,682,396.22, 71,324,883.78 and 28,477,517.04

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Solution

The fourth proportional to 51,682,396.22, 71,324,883.78 and 28,477,517.04 is: 39,300,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,682,396.22 : 71,324,883.78 = 28,477,517.04 : x
  2. Step 2: Convert to fraction form
    51,682,396.22/71,324,883.78 = 28,477,517.04/x
  3. Step 3: Cross multiply
    51,682,396.22x = 71,324,883.78 × 28,477,517.04
  4. Step 4: Simplify right side
    51,682,396.22x = 2,031,155,593,220,969.50
  5. Step 5: Solve for x
    x = 2,031,155,593,220,969.50/51,682,396.22
  6. Step 6: Final answer
    x = 39,300,724.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.