Home / 76,776,255.45-105,951,240.50-41,969,087.73

Finding the Fourth Proportional to 76,776,255.45, 105,951,240.50 and 41,969,087.73

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Solution

The fourth proportional to 76,776,255.45, 105,951,240.50 and 41,969,087.73 is: 57,917,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776,255.45 : 105,951,240.50 = 41,969,087.73 : x
  2. Step 2: Convert to fraction form
    76,776,255.45/105,951,240.50 = 41,969,087.73/x
  3. Step 3: Cross multiply
    76,776,255.45x = 105,951,240.50 × 41,969,087.73
  4. Step 4: Simplify right side
    76,776,255.45x = 4,446,676,907,436,983.50
  5. Step 5: Solve for x
    x = 4,446,676,907,436,983.50/76,776,255.45
  6. Step 6: Final answer
    x = 57,917,345.43

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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.