Home / 65,629,936.36-90,571,138.38-36,263,161.24

Finding the Fourth Proportional to 65,629,936.36, 90,571,138.38 and 36,263,161.24

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Solution

The fourth proportional to 65,629,936.36, 90,571,138.38 and 36,263,161.24 is: 50,044,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,629,936.36 : 90,571,138.38 = 36,263,161.24 : x
  2. Step 2: Convert to fraction form
    65,629,936.36/90,571,138.38 = 36,263,161.24/x
  3. Step 3: Cross multiply
    65,629,936.36x = 90,571,138.38 × 36,263,161.24
  4. Step 4: Simplify right side
    65,629,936.36x = 3,284,395,794,764,292.50
  5. Step 5: Solve for x
    x = 3,284,395,794,764,292.50/65,629,936.36
  6. Step 6: Final answer
    x = 50,044,171.56

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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.