Home / 276,295,480.84-381,285,789.55-150,847,672.87

Finding the Fourth Proportional to 276,295,480.84, 381,285,789.55 and 150,847,672.87

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Solution

The fourth proportional to 276,295,480.84, 381,285,789.55 and 150,847,672.87 is: 208,168,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,295,480.84 : 381,285,789.55 = 150,847,672.87 : x
  2. Step 2: Convert to fraction form
    276,295,480.84/381,285,789.55 = 150,847,672.87/x
  3. Step 3: Cross multiply
    276,295,480.84x = 381,285,789.55 × 150,847,672.87
  4. Step 4: Simplify right side
    276,295,480.84x = 57,516,074,052,018,072
  5. Step 5: Solve for x
    x = 57,516,074,052,018,072/276,295,480.84
  6. Step 6: Final answer
    x = 208,168,710.82

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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.