Home / 277,982,721.96-417,009,512.33-105,508,859.82

Finding the Fourth Proportional to 277,982,721.96, 417,009,512.33 and 105,508,859.82

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Solution

The fourth proportional to 277,982,721.96, 417,009,512.33 and 105,508,859.82 is: 158,276,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,982,721.96 : 417,009,512.33 = 105,508,859.82 : x
  2. Step 2: Convert to fraction form
    277,982,721.96/417,009,512.33 = 105,508,859.82/x
  3. Step 3: Cross multiply
    277,982,721.96x = 417,009,512.33 × 105,508,859.82
  4. Step 4: Simplify right side
    277,982,721.96x = 43,998,198,178,928,760
  5. Step 5: Solve for x
    x = 43,998,198,178,928,760/277,982,721.96
  6. Step 6: Final answer
    x = 158,276,737.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.