Home / 76,474,995.03-114,733,576.35-30,449,185.74

Finding the Fourth Proportional to 76,474,995.03, 114,733,576.35 and 30,449,185.74

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Solution

The fourth proportional to 76,474,995.03, 114,733,576.35 and 30,449,185.74 is: 45,682,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,474,995.03 : 114,733,576.35 = 30,449,185.74 : x
  2. Step 2: Convert to fraction form
    76,474,995.03/114,733,576.35 = 30,449,185.74/x
  3. Step 3: Cross multiply
    76,474,995.03x = 114,733,576.35 × 30,449,185.74
  4. Step 4: Simplify right side
    76,474,995.03x = 3,493,543,976,895,621
  5. Step 5: Solve for x
    x = 3,493,543,976,895,621/76,474,995.03
  6. Step 6: Final answer
    x = 45,682,173.31

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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.