Home / 276,438,211.08-381,482,219.80-150,990,380.90

Finding the Fourth Proportional to 276,438,211.08, 381,482,219.80 and 150,990,380.90

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Solution

The fourth proportional to 276,438,211.08, 381,482,219.80 and 150,990,380.90 is: 208,365,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,438,211.08 : 381,482,219.80 = 150,990,380.90 : x
  2. Step 2: Convert to fraction form
    276,438,211.08/381,482,219.80 = 150,990,380.90/x
  3. Step 3: Cross multiply
    276,438,211.08x = 381,482,219.80 × 150,990,380.90
  4. Step 4: Simplify right side
    276,438,211.08x = 57,600,145,675,510,704
  5. Step 5: Solve for x
    x = 57,600,145,675,510,704/276,438,211.08
  6. Step 6: Final answer
    x = 208,365,353.87

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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.