Home / 51,836,087.75-77,765,729.10-19,488,270.59

Finding the Fourth Proportional to 51,836,087.75, 77,765,729.10 and 19,488,270.59

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Solution

The fourth proportional to 51,836,087.75, 77,765,729.10 and 19,488,270.59 is: 29,236,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,836,087.75 : 77,765,729.10 = 19,488,270.59 : x
  2. Step 2: Convert to fraction form
    51,836,087.75/77,765,729.10 = 19,488,270.59/x
  3. Step 3: Cross multiply
    51,836,087.75x = 77,765,729.10 × 19,488,270.59
  4. Step 4: Simplify right side
    51,836,087.75x = 1,515,519,570,940,608.50
  5. Step 5: Solve for x
    x = 1,515,519,570,940,608.50/51,836,087.75
  6. Step 6: Final answer
    x = 29,236,766.06

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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.