Home / 161,289,978,523.32-222,579,394,311.46-89,031,411,306.43

Finding the Fourth Proportional to 161,289,978,523.32, 222,579,394,311.46 and 89,031,411,306.43

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Solution

The fourth proportional to 161,289,978,523.32, 222,579,394,311.46 and 89,031,411,306.43 is: 122,862,919,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289,978,523.32 : 222,579,394,311.46 = 89,031,411,306.43 : x
  2. Step 2: Convert to fraction form
    161,289,978,523.32/222,579,394,311.46 = 89,031,411,306.43/x
  3. Step 3: Cross multiply
    161,289,978,523.32x = 222,579,394,311.46 × 89,031,411,306.43
  4. Step 4: Simplify right side
    161,289,978,523.32x = 19,816,557,603,279,658,287,104
  5. Step 5: Solve for x
    x = 19,816,557,603,279,658,287,104/161,289,978,523.32
  6. Step 6: Final answer
    x = 122,862,919,226.04

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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.