Home / 221,591,478.71-332,393,989.56-76,022,998.17

Finding the Fourth Proportional to 221,591,478.71, 332,393,989.56 and 76,022,998.17

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Solution

The fourth proportional to 221,591,478.71, 332,393,989.56 and 76,022,998.17 is: 114,036,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,591,478.71 : 332,393,989.56 = 76,022,998.17 : x
  2. Step 2: Convert to fraction form
    221,591,478.71/332,393,989.56 = 76,022,998.17/x
  3. Step 3: Cross multiply
    221,591,478.71x = 332,393,989.56 × 76,022,998.17
  4. Step 4: Simplify right side
    221,591,478.71x = 25,269,587,659,658,764
  5. Step 5: Solve for x
    x = 25,269,587,659,658,764/221,591,478.71
  6. Step 6: Final answer
    x = 114,036,820.40

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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.