Home / 209,957,431.80-314,936,147.70-132,863,057.40

Finding the Fourth Proportional to 209,957,431.80, 314,936,147.70 and 132,863,057.40

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Solution

The fourth proportional to 209,957,431.80, 314,936,147.70 and 132,863,057.40 is: 199,294,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,957,431.80 : 314,936,147.70 = 132,863,057.40 : x
  2. Step 2: Convert to fraction form
    209,957,431.80/314,936,147.70 = 132,863,057.40/x
  3. Step 3: Cross multiply
    209,957,431.80x = 314,936,147.70 × 132,863,057.40
  4. Step 4: Simplify right side
    209,957,431.80x = 41,843,379,469,199,976
  5. Step 5: Solve for x
    x = 41,843,379,469,199,976/209,957,431.80
  6. Step 6: Final answer
    x = 199,294,586.10

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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.