Home / 49,028,761.76-67,657,507.80-28,105,794.80

Finding the Fourth Proportional to 49,028,761.76, 67,657,507.80 and 28,105,794.80

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Solution

The fourth proportional to 49,028,761.76, 67,657,507.80 and 28,105,794.80 is: 38,784,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,028,761.76 : 67,657,507.80 = 28,105,794.80 : x
  2. Step 2: Convert to fraction form
    49,028,761.76/67,657,507.80 = 28,105,794.80/x
  3. Step 3: Cross multiply
    49,028,761.76x = 67,657,507.80 × 28,105,794.80
  4. Step 4: Simplify right side
    49,028,761.76x = 1,901,568,030,906,199.50
  5. Step 5: Solve for x
    x = 1,901,568,030,906,199.50/49,028,761.76
  6. Step 6: Final answer
    x = 38,784,745.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.