Home / 147,647,268.20-221,440,839.44-54,242,136.47

Finding the Fourth Proportional to 147,647,268.20, 221,440,839.44 and 54,242,136.47

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Solution

The fourth proportional to 147,647,268.20, 221,440,839.44 and 54,242,136.47 is: 81,352,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,647,268.20 : 221,440,839.44 = 54,242,136.47 : x
  2. Step 2: Convert to fraction form
    147,647,268.20/221,440,839.44 = 54,242,136.47/x
  3. Step 3: Cross multiply
    147,647,268.20x = 221,440,839.44 × 54,242,136.47
  4. Step 4: Simplify right side
    147,647,268.20x = 12,011,424,233,218,230
  5. Step 5: Solve for x
    x = 12,011,424,233,218,230/147,647,268.20
  6. Step 6: Final answer
    x = 81,352,160.32

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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.