Home / 68,707,116.09-94,816,016.87-39,338,899.11

Finding the Fourth Proportional to 68,707,116.09, 94,816,016.87 and 39,338,899.11

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Solution

The fourth proportional to 68,707,116.09, 94,816,016.87 and 39,338,899.11 is: 54,287,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,707,116.09 : 94,816,016.87 = 39,338,899.11 : x
  2. Step 2: Convert to fraction form
    68,707,116.09/94,816,016.87 = 39,338,899.11/x
  3. Step 3: Cross multiply
    68,707,116.09x = 94,816,016.87 × 39,338,899.11
  4. Step 4: Simplify right side
    68,707,116.09x = 3,729,957,721,464,293
  5. Step 5: Solve for x
    x = 3,729,957,721,464,293/68,707,116.09
  6. Step 6: Final answer
    x = 54,287,793.37

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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.