Home / 161,446,722.30-222,803,720.82-90,906,590.07

Finding the Fourth Proportional to 161,446,722.30, 222,803,720.82 and 90,906,590.07

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Solution

The fourth proportional to 161,446,722.30, 222,803,720.82 and 90,906,590.07 is: 125,455,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,446,722.30 : 222,803,720.82 = 90,906,590.07 : x
  2. Step 2: Convert to fraction form
    161,446,722.30/222,803,720.82 = 90,906,590.07/x
  3. Step 3: Cross multiply
    161,446,722.30x = 222,803,720.82 × 90,906,590.07
  4. Step 4: Simplify right side
    161,446,722.30x = 20,254,326,514,654,464
  5. Step 5: Solve for x
    x = 20,254,326,514,654,464/161,446,722.30
  6. Step 6: Final answer
    x = 125,455,173.24

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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.