Home / 133,040,039.91-199,560,522.78-40,923,152.79

Finding the Fourth Proportional to 133,040,039.91, 199,560,522.78 and 40,923,152.79

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Solution

The fourth proportional to 133,040,039.91, 199,560,522.78 and 40,923,152.79 is: 61,384,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040,039.91 : 199,560,522.78 = 40,923,152.79 : x
  2. Step 2: Convert to fraction form
    133,040,039.91/199,560,522.78 = 40,923,152.79/x
  3. Step 3: Cross multiply
    133,040,039.91x = 199,560,522.78 × 40,923,152.79
  4. Step 4: Simplify right side
    133,040,039.91x = 8,166,645,764,578,215
  5. Step 5: Solve for x
    x = 8,166,645,764,578,215/133,040,039.91
  6. Step 6: Final answer
    x = 61,384,871.58

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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.