Home / 205,646,198.69-308,458,433.94-67,453,602.56

Finding the Fourth Proportional to 205,646,198.69, 308,458,433.94 and 67,453,602.56

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Solution

The fourth proportional to 205,646,198.69, 308,458,433.94 and 67,453,602.56 is: 101,176,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,646,198.69 : 308,458,433.94 = 67,453,602.56 : x
  2. Step 2: Convert to fraction form
    205,646,198.69/308,458,433.94 = 67,453,602.56/x
  3. Step 3: Cross multiply
    205,646,198.69x = 308,458,433.94 × 67,453,602.56
  4. Step 4: Simplify right side
    205,646,198.69x = 20,806,632,608,382,468
  5. Step 5: Solve for x
    x = 20,806,632,608,382,468/205,646,198.69
  6. Step 6: Final answer
    x = 101,176,840.33

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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.