Home / 70,916,163.69-106,377,431.67-21,728,413.38

Finding the Fourth Proportional to 70,916,163.69, 106,377,431.67 and 21,728,413.38

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Solution

The fourth proportional to 70,916,163.69, 106,377,431.67 and 21,728,413.38 is: 32,593,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,916,163.69 : 106,377,431.67 = 21,728,413.38 : x
  2. Step 2: Convert to fraction form
    70,916,163.69/106,377,431.67 = 21,728,413.38/x
  3. Step 3: Cross multiply
    70,916,163.69x = 106,377,431.67 × 21,728,413.38
  4. Step 4: Simplify right side
    70,916,163.69x = 2,311,412,809,628,463.50
  5. Step 5: Solve for x
    x = 2,311,412,809,628,463.50/70,916,163.69
  6. Step 6: Final answer
    x = 32,593,596.29

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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.