Home / 268,434,122.22-370,433,282.51-155,408,380.44

Finding the Fourth Proportional to 268,434,122.22, 370,433,282.51 and 155,408,380.44

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Solution

The fourth proportional to 268,434,122.22, 370,433,282.51 and 155,408,380.44 is: 214,460,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,434,122.22 : 370,433,282.51 = 155,408,380.44 : x
  2. Step 2: Convert to fraction form
    268,434,122.22/370,433,282.51 = 155,408,380.44/x
  3. Step 3: Cross multiply
    268,434,122.22x = 370,433,282.51 × 155,408,380.44
  4. Step 4: Simplify right side
    268,434,122.22x = 57,568,436,494,099,912
  5. Step 5: Solve for x
    x = 57,568,436,494,099,912/268,434,122.22
  6. Step 6: Final answer
    x = 214,460,203.56

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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.