Home / 144,002,864.92-198,724,480.26-77,923,363.64

Finding the Fourth Proportional to 144,002,864.92, 198,724,480.26 and 77,923,363.64

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Solution

The fourth proportional to 144,002,864.92, 198,724,480.26 and 77,923,363.64 is: 107,534,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,864.92 : 198,724,480.26 = 77,923,363.64 : x
  2. Step 2: Convert to fraction form
    144,002,864.92/198,724,480.26 = 77,923,363.64/x
  3. Step 3: Cross multiply
    144,002,864.92x = 198,724,480.26 × 77,923,363.64
  4. Step 4: Simplify right side
    144,002,864.92x = 15,485,279,939,469,982
  5. Step 5: Solve for x
    x = 15,485,279,939,469,982/144,002,864.92
  6. Step 6: Final answer
    x = 107,534,526.82

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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.