Home / 221,419,163.90-332,137,822.81-75,952,763.41

Finding the Fourth Proportional to 221,419,163.90, 332,137,822.81 and 75,952,763.41

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Solution

The fourth proportional to 221,419,163.90, 332,137,822.81 and 75,952,763.41 is: 113,932,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,419,163.90 : 332,137,822.81 = 75,952,763.41 : x
  2. Step 2: Convert to fraction form
    221,419,163.90/332,137,822.81 = 75,952,763.41/x
  3. Step 3: Cross multiply
    221,419,163.90x = 332,137,822.81 × 75,952,763.41
  4. Step 4: Simplify right side
    221,419,163.90x = 25,226,785,475,400,432
  5. Step 5: Solve for x
    x = 25,226,785,475,400,432/221,419,163.90
  6. Step 6: Final answer
    x = 113,932,258.76

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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.