Home / 65,481,172.14-98,204,998.48-19,412,268.21

Finding the Fourth Proportional to 65,481,172.14, 98,204,998.48 and 19,412,268.21

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Solution

The fourth proportional to 65,481,172.14, 98,204,998.48 and 19,412,268.21 is: 29,113,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,172.14 : 98,204,998.48 = 19,412,268.21 : x
  2. Step 2: Convert to fraction form
    65,481,172.14/98,204,998.48 = 19,412,268.21/x
  3. Step 3: Cross multiply
    65,481,172.14x = 98,204,998.48 × 19,412,268.21
  4. Step 4: Simplify right side
    65,481,172.14x = 1,906,381,770,056,402.50
  5. Step 5: Solve for x
    x = 1,906,381,770,056,402.50/65,481,172.14
  6. Step 6: Final answer
    x = 29,113,433.80

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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.