Home / 276,733,391.20-381,896,619.40-165,233,974.38

Finding the Fourth Proportional to 276,733,391.20, 381,896,619.40 and 165,233,974.38

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Solution

The fourth proportional to 276,733,391.20, 381,896,619.40 and 165,233,974.38 is: 228,025,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,733,391.20 : 381,896,619.40 = 165,233,974.38 : x
  2. Step 2: Convert to fraction form
    276,733,391.20/381,896,619.40 = 165,233,974.38/x
  3. Step 3: Cross multiply
    276,733,391.20x = 381,896,619.40 × 165,233,974.38
  4. Step 4: Simplify right side
    276,733,391.20x = 63,102,296,225,748,208
  5. Step 5: Solve for x
    x = 63,102,296,225,748,208/276,733,391.20
  6. Step 6: Final answer
    x = 228,025,595.15

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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.