Home / 327,689,765.99-491,538,908.55-109,340,108.06

Finding the Fourth Proportional to 327,689,765.99, 491,538,908.55 and 109,340,108.06

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Solution

The fourth proportional to 327,689,765.99, 491,538,908.55 and 109,340,108.06 is: 164,011,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,689,765.99 : 491,538,908.55 = 109,340,108.06 : x
  2. Step 2: Convert to fraction form
    327,689,765.99/491,538,908.55 = 109,340,108.06/x
  3. Step 3: Cross multiply
    327,689,765.99x = 491,538,908.55 × 109,340,108.06
  4. Step 4: Simplify right side
    327,689,765.99x = 53,744,917,379,275,664
  5. Step 5: Solve for x
    x = 53,744,917,379,275,664/327,689,765.99
  6. Step 6: Final answer
    x = 164,011,583.39

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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.