Home / 77,056,266.41-115,566,712.39-45,940,727.96

Finding the Fourth Proportional to 77,056,266.41, 115,566,712.39 and 45,940,727.96

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Solution

The fourth proportional to 77,056,266.41, 115,566,712.39 and 45,940,727.96 is: 68,900,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,056,266.41 : 115,566,712.39 = 45,940,727.96 : x
  2. Step 2: Convert to fraction form
    77,056,266.41/115,566,712.39 = 45,940,727.96/x
  3. Step 3: Cross multiply
    77,056,266.41x = 115,566,712.39 × 45,940,727.96
  4. Step 4: Simplify right side
    77,056,266.41x = 5,309,218,894,910,848
  5. Step 5: Solve for x
    x = 5,309,218,894,910,848/77,056,266.41
  6. Step 6: Final answer
    x = 68,900,546.86

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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.