Home / 45,112,234.53-67,682,924.89-20,867,065.74

Finding the Fourth Proportional to 45,112,234.53, 67,682,924.89 and 20,867,065.74

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Solution

The fourth proportional to 45,112,234.53, 67,682,924.89 and 20,867,065.74 is: 31,307,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,112,234.53 : 67,682,924.89 = 20,867,065.74 : x
  2. Step 2: Convert to fraction form
    45,112,234.53/67,682,924.89 = 20,867,065.74/x
  3. Step 3: Cross multiply
    45,112,234.53x = 67,682,924.89 × 20,867,065.74
  4. Step 4: Simplify right side
    45,112,234.53x = 1,412,344,043,102,944.50
  5. Step 5: Solve for x
    x = 1,412,344,043,102,944.50/45,112,234.53
  6. Step 6: Final answer
    x = 31,307,339.52

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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.