Home / 440,291,287.80-660,268,970.10-133,481,431.80

Finding the Fourth Proportional to 440,291,287.80, 660,268,970.10 and 133,481,431.80

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Solution

The fourth proportional to 440,291,287.80, 660,268,970.10 and 133,481,431.80 is: 200,171,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,291,287.80 : 660,268,970.10 = 133,481,431.80 : x
  2. Step 2: Convert to fraction form
    440,291,287.80/660,268,970.10 = 133,481,431.80/x
  3. Step 3: Cross multiply
    440,291,287.80x = 660,268,970.10 × 133,481,431.80
  4. Step 4: Simplify right side
    440,291,287.80x = 88,133,647,502,059,392
  5. Step 5: Solve for x
    x = 88,133,647,502,059,392/440,291,287.80
  6. Step 6: Final answer
    x = 200,171,227.42

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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.