Home / 221,343,906.20-332,015,859.30-67,989,716.60

Finding the Fourth Proportional to 221,343,906.20, 332,015,859.30 and 67,989,716.60

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Solution

The fourth proportional to 221,343,906.20, 332,015,859.30 and 67,989,716.60 is: 101,984,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,343,906.20 : 332,015,859.30 = 67,989,716.60 : x
  2. Step 2: Convert to fraction form
    221,343,906.20/332,015,859.30 = 67,989,716.60/x
  3. Step 3: Cross multiply
    221,343,906.20x = 332,015,859.30 × 67,989,716.60
  4. Step 4: Simplify right side
    221,343,906.20x = 22,573,664,180,512,472
  5. Step 5: Solve for x
    x = 22,573,664,180,512,472/221,343,906.20
  6. Step 6: Final answer
    x = 101,984,574.90

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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.