Home / 206,747,445.30-310,121,167.95-133,568,019.60

Finding the Fourth Proportional to 206,747,445.30, 310,121,167.95 and 133,568,019.60

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Solution

The fourth proportional to 206,747,445.30, 310,121,167.95 and 133,568,019.60 is: 200,352,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747,445.30 : 310,121,167.95 = 133,568,019.60 : x
  2. Step 2: Convert to fraction form
    206,747,445.30/310,121,167.95 = 133,568,019.60/x
  3. Step 3: Cross multiply
    206,747,445.30x = 310,121,167.95 × 133,568,019.60
  4. Step 4: Simplify right side
    206,747,445.30x = 41,422,270,239,120,488
  5. Step 5: Solve for x
    x = 41,422,270,239,120,488/206,747,445.30
  6. Step 6: Final answer
    x = 200,352,029.40

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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.