Home / 76,776,272.70-105,951,264.30-41,969,104.98

Finding the Fourth Proportional to 76,776,272.70, 105,951,264.30 and 41,969,104.98

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Solution

The fourth proportional to 76,776,272.70, 105,951,264.30 and 41,969,104.98 is: 57,917,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,776,272.70 : 105,951,264.30 = 41,969,104.98 : x
  2. Step 2: Convert to fraction form
    76,776,272.70/105,951,264.30 = 41,969,104.98/x
  3. Step 3: Cross multiply
    76,776,272.70x = 105,951,264.30 × 41,969,104.98
  4. Step 4: Simplify right side
    76,776,272.70x = 4,446,679,734,170,425.50
  5. Step 5: Solve for x
    x = 4,446,679,734,170,425.50/76,776,272.70
  6. Step 6: Final answer
    x = 57,917,369.23

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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.