Home / 276,438,213.08-381,482,222.56-150,990,382.90

Finding the Fourth Proportional to 276,438,213.08, 381,482,222.56 and 150,990,382.90

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Solution

The fourth proportional to 276,438,213.08, 381,482,222.56 and 150,990,382.90 is: 208,365,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,438,213.08 : 381,482,222.56 = 150,990,382.90 : x
  2. Step 2: Convert to fraction form
    276,438,213.08/381,482,222.56 = 150,990,382.90/x
  3. Step 3: Cross multiply
    276,438,213.08x = 381,482,222.56 × 150,990,382.90
  4. Step 4: Simplify right side
    276,438,213.08x = 57,600,146,853,877,424
  5. Step 5: Solve for x
    x = 57,600,146,853,877,424/276,438,213.08
  6. Step 6: Final answer
    x = 208,365,356.63

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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.