Home / 76,042,002.10-113,979,022.35-41,987,787.70

Finding the Fourth Proportional to 76,042,002.10, 113,979,022.35 and 41,987,787.70

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Solution

The fourth proportional to 76,042,002.10, 113,979,022.35 and 41,987,787.70 is: 62,935,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,042,002.10 : 113,979,022.35 = 41,987,787.70 : x
  2. Step 2: Convert to fraction form
    76,042,002.10/113,979,022.35 = 41,987,787.70/x
  3. Step 3: Cross multiply
    76,042,002.10x = 113,979,022.35 × 41,987,787.70
  4. Step 4: Simplify right side
    76,042,002.10x = 4,785,726,992,685,355
  5. Step 5: Solve for x
    x = 4,785,726,992,685,355/76,042,002.10
  6. Step 6: Final answer
    x = 62,935,310.23

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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.