Home / 221,591,479.95-332,393,991.43-76,022,999.42

Finding the Fourth Proportional to 221,591,479.95, 332,393,991.43 and 76,022,999.42

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Solution

The fourth proportional to 221,591,479.95, 332,393,991.43 and 76,022,999.42 is: 114,036,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,591,479.95 : 332,393,991.43 = 76,022,999.42 : x
  2. Step 2: Convert to fraction form
    221,591,479.95/332,393,991.43 = 76,022,999.42/x
  3. Step 3: Cross multiply
    221,591,479.95x = 332,393,991.43 × 76,022,999.42
  4. Step 4: Simplify right side
    221,591,479.95x = 25,269,588,217,694,376
  5. Step 5: Solve for x
    x = 25,269,588,217,694,376/221,591,479.95
  6. Step 6: Final answer
    x = 114,036,822.28

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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.