Home / 51,991,161.87-71,750,043.39-28,786,287.54

Finding the Fourth Proportional to 51,991,161.87, 71,750,043.39 and 28,786,287.54

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Solution

The fourth proportional to 51,991,161.87, 71,750,043.39 and 28,786,287.54 is: 39,726,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,161.87 : 71,750,043.39 = 28,786,287.54 : x
  2. Step 2: Convert to fraction form
    51,991,161.87/71,750,043.39 = 28,786,287.54/x
  3. Step 3: Cross multiply
    51,991,161.87x = 71,750,043.39 × 28,786,287.54
  4. Step 4: Simplify right side
    51,991,161.87x = 2,065,417,380,032,016.25
  5. Step 5: Solve for x
    x = 2,065,417,380,032,016.25/51,991,161.87
  6. Step 6: Final answer
    x = 39,726,317.05

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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.