Home / 276,521,928.17-381,600,413.97-149,362,605.89

Finding the Fourth Proportional to 276,521,928.17, 381,600,413.97 and 149,362,605.89

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Solution

The fourth proportional to 276,521,928.17, 381,600,413.97 and 149,362,605.89 is: 206,120,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,521,928.17 : 381,600,413.97 = 149,362,605.89 : x
  2. Step 2: Convert to fraction form
    276,521,928.17/381,600,413.97 = 149,362,605.89/x
  3. Step 3: Cross multiply
    276,521,928.17x = 381,600,413.97 × 149,362,605.89
  4. Step 4: Simplify right side
    276,521,928.17x = 56,996,832,238,224,848
  5. Step 5: Solve for x
    x = 56,996,832,238,224,848/276,521,928.17
  6. Step 6: Final answer
    x = 206,120,478.82

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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.