Home / 118,942,579.70-178,422,468.56-49,785,830.21

Finding the Fourth Proportional to 118,942,579.70, 178,422,468.56 and 49,785,830.21

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Solution

The fourth proportional to 118,942,579.70, 178,422,468.56 and 49,785,830.21 is: 74,682,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942,579.70 : 178,422,468.56 = 49,785,830.21 : x
  2. Step 2: Convert to fraction form
    118,942,579.70/178,422,468.56 = 49,785,830.21/x
  3. Step 3: Cross multiply
    118,942,579.70x = 178,422,468.56 × 49,785,830.21
  4. Step 4: Simplify right side
    118,942,579.70x = 8,882,910,724,236,182
  5. Step 5: Solve for x
    x = 8,882,910,724,236,182/118,942,579.70
  6. Step 6: Final answer
    x = 74,682,344.60

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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.