Home / 220,851,499.30-331,274,138.55-99,682,756.90

Finding the Fourth Proportional to 220,851,499.30, 331,274,138.55 and 99,682,756.90

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Solution

The fourth proportional to 220,851,499.30, 331,274,138.55 and 99,682,756.90 is: 149,522,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,851,499.30 : 331,274,138.55 = 99,682,756.90 : x
  2. Step 2: Convert to fraction form
    220,851,499.30/331,274,138.55 = 99,682,756.90/x
  3. Step 3: Cross multiply
    220,851,499.30x = 331,274,138.55 × 99,682,756.90
  4. Step 4: Simplify right side
    220,851,499.30x = 33,022,319,420,336,572
  5. Step 5: Solve for x
    x = 33,022,319,420,336,572/220,851,499.30
  6. Step 6: Final answer
    x = 149,522,731.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.