Home / 68,893,560.59-103,324,015.71-19,707,897.43

Finding the Fourth Proportional to 68,893,560.59, 103,324,015.71 and 19,707,897.43

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Solution

The fourth proportional to 68,893,560.59, 103,324,015.71 and 19,707,897.43 is: 29,557,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893,560.59 : 103,324,015.71 = 19,707,897.43 : x
  2. Step 2: Convert to fraction form
    68,893,560.59/103,324,015.71 = 19,707,897.43/x
  3. Step 3: Cross multiply
    68,893,560.59x = 103,324,015.71 × 19,707,897.43
  4. Step 4: Simplify right side
    68,893,560.59x = 2,036,299,103,668,388.50
  5. Step 5: Solve for x
    x = 2,036,299,103,668,388.50/68,893,560.59
  6. Step 6: Final answer
    x = 29,557,176.12

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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.