Home / 68,893,564.53-103,324,021.64-19,707,901.39

Finding the Fourth Proportional to 68,893,564.53, 103,324,021.64 and 19,707,901.39

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Solution

The fourth proportional to 68,893,564.53, 103,324,021.64 and 19,707,901.39 is: 29,557,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893,564.53 : 103,324,021.64 = 19,707,901.39 : x
  2. Step 2: Convert to fraction form
    68,893,564.53/103,324,021.64 = 19,707,901.39/x
  3. Step 3: Cross multiply
    68,893,564.53x = 103,324,021.64 × 19,707,901.39
  4. Step 4: Simplify right side
    68,893,564.53x = 2,036,299,629,451,212.50
  5. Step 5: Solve for x
    x = 2,036,299,629,451,212.50/68,893,564.53
  6. Step 6: Final answer
    x = 29,557,182.06

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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.