Home / 218,284,334.20-327,471,990.90-72,763,103.80

Finding the Fourth Proportional to 218,284,334.20, 327,471,990.90 and 72,763,103.80

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Solution

The fourth proportional to 218,284,334.20, 327,471,990.90 and 72,763,103.80 is: 109,159,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,284,334.20 : 327,471,990.90 = 72,763,103.80 : x
  2. Step 2: Convert to fraction form
    218,284,334.20/327,471,990.90 = 72,763,103.80/x
  3. Step 3: Cross multiply
    218,284,334.20x = 327,471,990.90 × 72,763,103.80
  4. Step 4: Simplify right side
    218,284,334.20x = 23,827,878,465,449,352
  5. Step 5: Solve for x
    x = 23,827,878,465,449,352/218,284,334.20
  6. Step 6: Final answer
    x = 109,159,819.25

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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.