Home / 268,434,122.00-370,433,282.21-155,408,380.21

Finding the Fourth Proportional to 268,434,122.00, 370,433,282.21 and 155,408,380.21

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Solution

The fourth proportional to 268,434,122.00, 370,433,282.21 and 155,408,380.21 is: 214,460,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,434,122.00 : 370,433,282.21 = 155,408,380.21 : x
  2. Step 2: Convert to fraction form
    268,434,122.00/370,433,282.21 = 155,408,380.21/x
  3. Step 3: Cross multiply
    268,434,122.00x = 370,433,282.21 × 155,408,380.21
  4. Step 4: Simplify right side
    268,434,122.00x = 57,568,436,365,439,616
  5. Step 5: Solve for x
    x = 57,568,436,365,439,616/268,434,122.00
  6. Step 6: Final answer
    x = 214,460,203.26

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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.