Home / 68,158,920.82-102,238,383.45-17,040,939.63

Finding the Fourth Proportional to 68,158,920.82, 102,238,383.45 and 17,040,939.63

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Solution

The fourth proportional to 68,158,920.82, 102,238,383.45 and 17,040,939.63 is: 25,561,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,158,920.82 : 102,238,383.45 = 17,040,939.63 : x
  2. Step 2: Convert to fraction form
    68,158,920.82/102,238,383.45 = 17,040,939.63/x
  3. Step 3: Cross multiply
    68,158,920.82x = 102,238,383.45 × 17,040,939.63
  4. Step 4: Simplify right side
    68,158,920.82x = 1,742,238,120,615,561.25
  5. Step 5: Solve for x
    x = 1,742,238,120,615,561.25/68,158,920.82
  6. Step 6: Final answer
    x = 25,561,410.01

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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.