Home / 221,591,478.95-332,393,989.93-76,022,998.42

Finding the Fourth Proportional to 221,591,478.95, 332,393,989.93 and 76,022,998.42

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Solution

The fourth proportional to 221,591,478.95, 332,393,989.93 and 76,022,998.42 is: 114,036,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,591,478.95 : 332,393,989.93 = 76,022,998.42 : x
  2. Step 2: Convert to fraction form
    221,591,478.95/332,393,989.93 = 76,022,998.42/x
  3. Step 3: Cross multiply
    221,591,478.95x = 332,393,989.93 × 76,022,998.42
  4. Step 4: Simplify right side
    221,591,478.95x = 25,269,587,770,244,844
  5. Step 5: Solve for x
    x = 25,269,587,770,244,844/221,591,478.95
  6. Step 6: Final answer
    x = 114,036,820.77

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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.