Home / 118,942,573.69-178,422,459.54-49,785,824.21

Finding the Fourth Proportional to 118,942,573.69, 178,422,459.54 and 49,785,824.21

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Solution

The fourth proportional to 118,942,573.69, 178,422,459.54 and 49,785,824.21 is: 74,682,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942,573.69 : 178,422,459.54 = 49,785,824.21 : x
  2. Step 2: Convert to fraction form
    118,942,573.69/178,422,459.54 = 49,785,824.21/x
  3. Step 3: Cross multiply
    118,942,573.69x = 178,422,459.54 × 49,785,824.21
  4. Step 4: Simplify right side
    118,942,573.69x = 8,882,909,204,835,366
  5. Step 5: Solve for x
    x = 8,882,909,204,835,366/118,942,573.69
  6. Step 6: Final answer
    x = 74,682,335.60

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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.