Home / 76,494,987.45-105,560,003.03-41,686,930.53

Finding the Fourth Proportional to 76,494,987.45, 105,560,003.03 and 41,686,930.53

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Solution

The fourth proportional to 76,494,987.45, 105,560,003.03 and 41,686,930.53 is: 57,526,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494,987.45 : 105,560,003.03 = 41,686,930.53 : x
  2. Step 2: Convert to fraction form
    76,494,987.45/105,560,003.03 = 41,686,930.53/x
  3. Step 3: Cross multiply
    76,494,987.45x = 105,560,003.03 × 41,686,930.53
  4. Step 4: Simplify right side
    76,494,987.45x = 4,400,472,512,849,765
  5. Step 5: Solve for x
    x = 4,400,472,512,849,765/76,494,987.45
  6. Step 6: Final answer
    x = 57,526,285.83

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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.