Home / 129,963,560.91-194,904,183.24-42,504,870.39

Finding the Fourth Proportional to 129,963,560.91, 194,904,183.24 and 42,504,870.39

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Solution

The fourth proportional to 129,963,560.91, 194,904,183.24 and 42,504,870.39 is: 63,743,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,963,560.91 : 194,904,183.24 = 42,504,870.39 : x
  2. Step 2: Convert to fraction form
    129,963,560.91/194,904,183.24 = 42,504,870.39/x
  3. Step 3: Cross multiply
    129,963,560.91x = 194,904,183.24 × 42,504,870.39
  4. Step 4: Simplify right side
    129,963,560.91x = 8,284,377,047,085,011
  5. Step 5: Solve for x
    x = 8,284,377,047,085,011/129,963,560.91
  6. Step 6: Final answer
    x = 63,743,844.73

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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.