Home / 144,002,738.56-198,724,306.12-77,923,237.52

Finding the Fourth Proportional to 144,002,738.56, 198,724,306.12 and 77,923,237.52

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Solution

The fourth proportional to 144,002,738.56, 198,724,306.12 and 77,923,237.52 is: 107,534,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,738.56 : 198,724,306.12 = 77,923,237.52 : x
  2. Step 2: Convert to fraction form
    144,002,738.56/198,724,306.12 = 77,923,237.52/x
  3. Step 3: Cross multiply
    144,002,738.56x = 198,724,306.12 × 77,923,237.52
  4. Step 4: Simplify right side
    144,002,738.56x = 15,485,241,306,785,950
  5. Step 5: Solve for x
    x = 15,485,241,306,785,950/144,002,738.56
  6. Step 6: Final answer
    x = 107,534,352.90

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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.