Home / 163,091,778.90-225,066,691.62-89,752,920.90

Finding the Fourth Proportional to 163,091,778.90, 225,066,691.62 and 89,752,920.90

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Solution

The fourth proportional to 163,091,778.90, 225,066,691.62 and 89,752,920.90 is: 123,859,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091,778.90 : 225,066,691.62 = 89,752,920.90 : x
  2. Step 2: Convert to fraction form
    163,091,778.90/225,066,691.62 = 89,752,920.90/x
  3. Step 3: Cross multiply
    163,091,778.90x = 225,066,691.62 × 89,752,920.90
  4. Step 4: Simplify right side
    163,091,778.90x = 20,200,392,970,194,556
  5. Step 5: Solve for x
    x = 20,200,392,970,194,556/163,091,778.90
  6. Step 6: Final answer
    x = 123,859,051.06

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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.