Home / 209,961,344.40-314,942,016.60-197,206,760.40

Finding the Fourth Proportional to 209,961,344.40, 314,942,016.60 and 197,206,760.40

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Solution

The fourth proportional to 209,961,344.40, 314,942,016.60 and 197,206,760.40 is: 295,810,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961,344.40 : 314,942,016.60 = 197,206,760.40 : x
  2. Step 2: Convert to fraction form
    209,961,344.40/314,942,016.60 = 197,206,760.40/x
  3. Step 3: Cross multiply
    209,961,344.40x = 314,942,016.60 × 197,206,760.40
  4. Step 4: Simplify right side
    209,961,344.40x = 62,108,694,807,529,032
  5. Step 5: Solve for x
    x = 62,108,694,807,529,032/209,961,344.40
  6. Step 6: Final answer
    x = 295,810,140.60

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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.