Home / 65,338,178.22-90,163,923.79-35,568,207.37

Finding the Fourth Proportional to 65,338,178.22, 90,163,923.79 and 35,568,207.37

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Solution

The fourth proportional to 65,338,178.22, 90,163,923.79 and 35,568,207.37 is: 49,082,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,338,178.22 : 90,163,923.79 = 35,568,207.37 : x
  2. Step 2: Convert to fraction form
    65,338,178.22/90,163,923.79 = 35,568,207.37/x
  3. Step 3: Cross multiply
    65,338,178.22x = 90,163,923.79 × 35,568,207.37
  4. Step 4: Simplify right side
    65,338,178.22x = 3,206,969,138,655,596.50
  5. Step 5: Solve for x
    x = 3,206,969,138,655,596.50/65,338,178.22
  6. Step 6: Final answer
    x = 49,082,622.53

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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.