Home / 76,474,982.53-114,733,557.60-30,449,173.24

Finding the Fourth Proportional to 76,474,982.53, 114,733,557.60 and 30,449,173.24

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Solution

The fourth proportional to 76,474,982.53, 114,733,557.60 and 30,449,173.24 is: 45,682,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,474,982.53 : 114,733,557.60 = 30,449,173.24 : x
  2. Step 2: Convert to fraction form
    76,474,982.53/114,733,557.60 = 30,449,173.24/x
  3. Step 3: Cross multiply
    76,474,982.53x = 114,733,557.60 × 30,449,173.24
  4. Step 4: Simplify right side
    76,474,982.53x = 3,493,541,971,803,918.50
  5. Step 5: Solve for x
    x = 3,493,541,971,803,918.50/76,474,982.53
  6. Step 6: Final answer
    x = 45,682,154.56

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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.