Home / 221,433,940.80-332,150,911.20-75,819,106.80

Finding the Fourth Proportional to 221,433,940.80, 332,150,911.20 and 75,819,106.80

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Solution

The fourth proportional to 221,433,940.80, 332,150,911.20 and 75,819,106.80 is: 113,728,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,940.80 : 332,150,911.20 = 75,819,106.80 : x
  2. Step 2: Convert to fraction form
    221,433,940.80/332,150,911.20 = 75,819,106.80/x
  3. Step 3: Cross multiply
    221,433,940.80x = 332,150,911.20 × 75,819,106.80
  4. Step 4: Simplify right side
    221,433,940.80x = 25,183,385,409,990,116
  5. Step 5: Solve for x
    x = 25,183,385,409,990,116/221,433,940.80
  6. Step 6: Final answer
    x = 113,728,660.20

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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.