Home / 144,002,728.52-198,724,292.32-77,923,227.48

Finding the Fourth Proportional to 144,002,728.52, 198,724,292.32 and 77,923,227.48

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Solution

The fourth proportional to 144,002,728.52, 198,724,292.32 and 77,923,227.48 is: 107,534,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,728.52 : 198,724,292.32 = 77,923,227.48 : x
  2. Step 2: Convert to fraction form
    144,002,728.52/198,724,292.32 = 77,923,227.48/x
  3. Step 3: Cross multiply
    144,002,728.52x = 198,724,292.32 × 77,923,227.48
  4. Step 4: Simplify right side
    144,002,728.52x = 15,485,238,236,253,378
  5. Step 5: Solve for x
    x = 15,485,238,236,253,378/144,002,728.52
  6. Step 6: Final answer
    x = 107,534,339.07

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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.