Home / 205,646,200.44-308,458,436.56-67,453,604.31

Finding the Fourth Proportional to 205,646,200.44, 308,458,436.56 and 67,453,604.31

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Solution

The fourth proportional to 205,646,200.44, 308,458,436.56 and 67,453,604.31 is: 101,176,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,646,200.44 : 308,458,436.56 = 67,453,604.31 : x
  2. Step 2: Convert to fraction form
    205,646,200.44/308,458,436.56 = 67,453,604.31/x
  3. Step 3: Cross multiply
    205,646,200.44x = 308,458,436.56 × 67,453,604.31
  4. Step 4: Simplify right side
    205,646,200.44x = 20,806,633,325,799,480
  5. Step 5: Solve for x
    x = 20,806,633,325,799,480/205,646,200.44
  6. Step 6: Final answer
    x = 101,176,842.95

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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.