Home / 76,491,908.06-105,555,761.70-41,683,856.63

Finding the Fourth Proportional to 76,491,908.06, 105,555,761.70 and 41,683,856.63

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Solution

The fourth proportional to 76,491,908.06, 105,555,761.70 and 41,683,856.63 is: 57,522,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,491,908.06 : 105,555,761.70 = 41,683,856.63 : x
  2. Step 2: Convert to fraction form
    76,491,908.06/105,555,761.70 = 41,683,856.63/x
  3. Step 3: Cross multiply
    76,491,908.06x = 105,555,761.70 × 41,683,856.63
  4. Step 4: Simplify right side
    76,491,908.06x = 4,399,971,237,173,245.50
  5. Step 5: Solve for x
    x = 4,399,971,237,173,245.50/76,491,908.06
  6. Step 6: Final answer
    x = 57,522,048.39

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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.