Home / 144,002,724.54-198,724,286.79-77,923,223.48

Finding the Fourth Proportional to 144,002,724.54, 198,724,286.79 and 77,923,223.48

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Solution

The fourth proportional to 144,002,724.54, 198,724,286.79 and 77,923,223.48 is: 107,534,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,724.54 : 198,724,286.79 = 77,923,223.48 : x
  2. Step 2: Convert to fraction form
    144,002,724.54/198,724,286.79 = 77,923,223.48/x
  3. Step 3: Cross multiply
    144,002,724.54x = 198,724,286.79 × 77,923,223.48
  4. Step 4: Simplify right side
    144,002,724.54x = 15,485,237,010,706,440
  5. Step 5: Solve for x
    x = 15,485,237,010,706,440/144,002,724.54
  6. Step 6: Final answer
    x = 107,534,333.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.