Home / 221,591,477.96-332,393,988.43-76,022,997.42

Finding the Fourth Proportional to 221,591,477.96, 332,393,988.43 and 76,022,997.42

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Solution

The fourth proportional to 221,591,477.96, 332,393,988.43 and 76,022,997.42 is: 114,036,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,591,477.96 : 332,393,988.43 = 76,022,997.42 : x
  2. Step 2: Convert to fraction form
    221,591,477.96/332,393,988.43 = 76,022,997.42/x
  3. Step 3: Cross multiply
    221,591,477.96x = 332,393,988.43 × 76,022,997.42
  4. Step 4: Simplify right side
    221,591,477.96x = 25,269,587,324,837,400
  5. Step 5: Solve for x
    x = 25,269,587,324,837,400/221,591,477.96
  6. Step 6: Final answer
    x = 114,036,819.28

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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.