Home / 49,991,584.36-74,914,012.78-28,174,436.68

Finding the Fourth Proportional to 49,991,584.36, 74,914,012.78 and 28,174,436.68

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Solution

The fourth proportional to 49,991,584.36, 74,914,012.78 and 28,174,436.68 is: 42,220,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,991,584.36 : 74,914,012.78 = 28,174,436.68 : x
  2. Step 2: Convert to fraction form
    49,991,584.36/74,914,012.78 = 28,174,436.68/x
  3. Step 3: Cross multiply
    49,991,584.36x = 74,914,012.78 × 28,174,436.68
  4. Step 4: Simplify right side
    49,991,584.36x = 2,110,660,109,514,820.75
  5. Step 5: Solve for x
    x = 2,110,660,109,514,820.75/49,991,584.36
  6. Step 6: Final answer
    x = 42,220,308.41

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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.