Home / 327,808,839.60-491,738,142.60-97,759,969.20

Finding the Fourth Proportional to 327,808,839.60, 491,738,142.60 and 97,759,969.20

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Solution

The fourth proportional to 327,808,839.60, 491,738,142.60 and 97,759,969.20 is: 146,647,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,808,839.60 : 491,738,142.60 = 97,759,969.20 : x
  2. Step 2: Convert to fraction form
    327,808,839.60/491,738,142.60 = 97,759,969.20/x
  3. Step 3: Cross multiply
    327,808,839.60x = 491,738,142.60 × 97,759,969.20
  4. Step 4: Simplify right side
    327,808,839.60x = 48,072,305,675,041,208
  5. Step 5: Solve for x
    x = 48,072,305,675,041,208/327,808,839.60
  6. Step 6: Final answer
    x = 146,647,374.53

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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.