Home / 221,434,024.80-332,151,037.20-75,819,190.80

Finding the Fourth Proportional to 221,434,024.80, 332,151,037.20 and 75,819,190.80

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Solution

The fourth proportional to 221,434,024.80, 332,151,037.20 and 75,819,190.80 is: 113,728,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,024.80 : 332,151,037.20 = 75,819,190.80 : x
  2. Step 2: Convert to fraction form
    221,434,024.80/332,151,037.20 = 75,819,190.80/x
  3. Step 3: Cross multiply
    221,434,024.80x = 332,151,037.20 × 75,819,190.80
  4. Step 4: Simplify right side
    221,434,024.80x = 25,183,422,863,884,696
  5. Step 5: Solve for x
    x = 25,183,422,863,884,696/221,434,024.80
  6. Step 6: Final answer
    x = 113,728,786.20

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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.