Home / 37,122,071.78-55,682,886.24-20,190,361.52

Finding the Fourth Proportional to 37,122,071.78, 55,682,886.24 and 20,190,361.52

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Solution

The fourth proportional to 37,122,071.78, 55,682,886.24 and 20,190,361.52 is: 30,285,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122,071.78 : 55,682,886.24 = 20,190,361.52 : x
  2. Step 2: Convert to fraction form
    37,122,071.78/55,682,886.24 = 20,190,361.52/x
  3. Step 3: Cross multiply
    37,122,071.78x = 55,682,886.24 × 20,190,361.52
  4. Step 4: Simplify right side
    37,122,071.78x = 1,124,257,603,801,840.75
  5. Step 5: Solve for x
    x = 1,124,257,603,801,840.75/37,122,071.78
  6. Step 6: Final answer
    x = 30,285,421.85

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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.