Home / 276,438,254.63-381,482,279.78-150,990,424.38

Finding the Fourth Proportional to 276,438,254.63, 381,482,279.78 and 150,990,424.38

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Solution

The fourth proportional to 276,438,254.63, 381,482,279.78 and 150,990,424.38 is: 208,365,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,438,254.63 : 381,482,279.78 = 150,990,424.38 : x
  2. Step 2: Convert to fraction form
    276,438,254.63/381,482,279.78 = 150,990,424.38/x
  3. Step 3: Cross multiply
    276,438,254.63x = 381,482,279.78 × 150,990,424.38
  4. Step 4: Simplify right side
    276,438,254.63x = 57,600,171,316,677,136
  5. Step 5: Solve for x
    x = 57,600,171,316,677,136/276,438,254.63
  6. Step 6: Final answer
    x = 208,365,413.81

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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.