Home / 397,185,906.80-595,778,860.20-109,971,570.80

Finding the Fourth Proportional to 397,185,906.80, 595,778,860.20 and 109,971,570.80

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Solution

The fourth proportional to 397,185,906.80, 595,778,860.20 and 109,971,570.80 is: 164,957,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,185,906.80 : 595,778,860.20 = 109,971,570.80 : x
  2. Step 2: Convert to fraction form
    397,185,906.80/595,778,860.20 = 109,971,570.80/x
  3. Step 3: Cross multiply
    397,185,906.80x = 595,778,860.20 × 109,971,570.80
  4. Step 4: Simplify right side
    397,185,906.80x = 65,518,737,105,627,608
  5. Step 5: Solve for x
    x = 65,518,737,105,627,608/397,185,906.80
  6. Step 6: Final answer
    x = 164,957,356.20

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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.