Home / 199,530,145.35-299,295,218.03-131,449,710.15

Finding the Fourth Proportional to 199,530,145.35, 299,295,218.03 and 131,449,710.15

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Solution

The fourth proportional to 199,530,145.35, 299,295,218.03 and 131,449,710.15 is: 197,174,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,145.35 : 299,295,218.03 = 131,449,710.15 : x
  2. Step 2: Convert to fraction form
    199,530,145.35/299,295,218.03 = 131,449,710.15/x
  3. Step 3: Cross multiply
    199,530,145.35x = 299,295,218.03 × 131,449,710.15
  4. Step 4: Simplify right side
    199,530,145.35x = 39,342,269,658,667,304
  5. Step 5: Solve for x
    x = 39,342,269,658,667,304/199,530,145.35
  6. Step 6: Final answer
    x = 197,174,565.23

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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.