Home / 31,229,757.51-43,098,412.41-17,291,112.68

Finding the Fourth Proportional to 31,229,757.51, 43,098,412.41 and 17,291,112.68

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Solution

The fourth proportional to 31,229,757.51, 43,098,412.41 and 17,291,112.68 is: 23,862,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229,757.51 : 43,098,412.41 = 17,291,112.68 : x
  2. Step 2: Convert to fraction form
    31,229,757.51/43,098,412.41 = 17,291,112.68/x
  3. Step 3: Cross multiply
    31,229,757.51x = 43,098,412.41 × 17,291,112.68
  4. Step 4: Simplify right side
    31,229,757.51x = 745,219,505,094,928.25
  5. Step 5: Solve for x
    x = 745,219,505,094,928.25/31,229,757.51
  6. Step 6: Final answer
    x = 23,862,481.32

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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.