Home / 65,481,194.92-98,205,032.56-19,412,290.96

Finding the Fourth Proportional to 65,481,194.92, 98,205,032.56 and 19,412,290.96

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Solution

The fourth proportional to 65,481,194.92, 98,205,032.56 and 19,412,290.96 is: 29,113,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,194.92 : 98,205,032.56 = 19,412,290.96 : x
  2. Step 2: Convert to fraction form
    65,481,194.92/98,205,032.56 = 19,412,290.96/x
  3. Step 3: Cross multiply
    65,481,194.92x = 98,205,032.56 × 19,412,290.96
  4. Step 4: Simplify right side
    65,481,194.92x = 1,906,384,665,790,993.75
  5. Step 5: Solve for x
    x = 1,906,384,665,790,993.75/65,481,194.92
  6. Step 6: Final answer
    x = 29,113,467.89

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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.