Home / 142,150,892.49-213,239,351.39-39,914,241.21

Finding the Fourth Proportional to 142,150,892.49, 213,239,351.39 and 39,914,241.21

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Solution

The fourth proportional to 142,150,892.49, 213,239,351.39 and 39,914,241.21 is: 59,875,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,150,892.49 : 213,239,351.39 = 39,914,241.21 : x
  2. Step 2: Convert to fraction form
    142,150,892.49/213,239,351.39 = 39,914,241.21/x
  3. Step 3: Cross multiply
    142,150,892.49x = 213,239,351.39 × 39,914,241.21
  4. Step 4: Simplify right side
    142,150,892.49x = 8,511,286,906,644,837
  5. Step 5: Solve for x
    x = 8,511,286,906,644,837/142,150,892.49
  6. Step 6: Final answer
    x = 59,875,015.61

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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.