Home / 276,521,929.10-381,600,415.26-149,362,606.82

Finding the Fourth Proportional to 276,521,929.10, 381,600,415.26 and 149,362,606.82

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Solution

The fourth proportional to 276,521,929.10, 381,600,415.26 and 149,362,606.82 is: 206,120,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,521,929.10 : 381,600,415.26 = 149,362,606.82 : x
  2. Step 2: Convert to fraction form
    276,521,929.10/381,600,415.26 = 149,362,606.82/x
  3. Step 3: Cross multiply
    276,521,929.10x = 381,600,415.26 × 149,362,606.82
  4. Step 4: Simplify right side
    276,521,929.10x = 56,996,832,786,828,104
  5. Step 5: Solve for x
    x = 56,996,832,786,828,104/276,521,929.10
  6. Step 6: Final answer
    x = 206,120,480.11

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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.