Home / 340,858,399.20-511,204,654.80-98,496,031.20

Finding the Fourth Proportional to 340,858,399.20, 511,204,654.80 and 98,496,031.20

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Solution

The fourth proportional to 340,858,399.20, 511,204,654.80 and 98,496,031.20 is: 147,720,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,858,399.20 : 511,204,654.80 = 98,496,031.20 : x
  2. Step 2: Convert to fraction form
    340,858,399.20/511,204,654.80 = 98,496,031.20/x
  3. Step 3: Cross multiply
    340,858,399.20x = 511,204,654.80 × 98,496,031.20
  4. Step 4: Simplify right side
    340,858,399.20x = 50,351,629,628,766,032
  5. Step 5: Solve for x
    x = 50,351,629,628,766,032/340,858,399.20
  6. Step 6: Final answer
    x = 147,720,078.92

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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.