Home / 76,776,185.92-105,951,144.55-41,969,018.20

Finding the Fourth Proportional to 76,776,185.92, 105,951,144.55 and 41,969,018.20

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Solution

The fourth proportional to 76,776,185.92, 105,951,144.55 and 41,969,018.20 is: 57,917,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776,185.92 : 105,951,144.55 = 41,969,018.20 : x
  2. Step 2: Convert to fraction form
    76,776,185.92/105,951,144.55 = 41,969,018.20/x
  3. Step 3: Cross multiply
    76,776,185.92x = 105,951,144.55 × 41,969,018.20
  4. Step 4: Simplify right side
    76,776,185.92x = 4,446,665,513,929,781
  5. Step 5: Solve for x
    x = 4,446,665,513,929,781/76,776,185.92
  6. Step 6: Final answer
    x = 57,917,249.48

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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.