Home / 221,434,267.80-332,151,401.70-75,819,433.80

Finding the Fourth Proportional to 221,434,267.80, 332,151,401.70 and 75,819,433.80

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Solution

The fourth proportional to 221,434,267.80, 332,151,401.70 and 75,819,433.80 is: 113,729,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,267.80 : 332,151,401.70 = 75,819,433.80 : x
  2. Step 2: Convert to fraction form
    221,434,267.80/332,151,401.70 = 75,819,433.80/x
  3. Step 3: Cross multiply
    221,434,267.80x = 332,151,401.70 × 75,819,433.80
  4. Step 4: Simplify right side
    221,434,267.80x = 25,183,531,212,770,356
  5. Step 5: Solve for x
    x = 25,183,531,212,770,356/221,434,267.80
  6. Step 6: Final answer
    x = 113,729,150.70

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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.