Home / 172,603,949.76-238,200,691.68-99,265,150.08

Finding the Fourth Proportional to 172,603,949.76, 238,200,691.68 and 99,265,150.08

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Solution

The fourth proportional to 172,603,949.76, 238,200,691.68 and 99,265,150.08 is: 136,990,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,603,949.76 : 238,200,691.68 = 99,265,150.08 : x
  2. Step 2: Convert to fraction form
    172,603,949.76/238,200,691.68 = 99,265,150.08/x
  3. Step 3: Cross multiply
    172,603,949.76x = 238,200,691.68 × 99,265,150.08
  4. Step 4: Simplify right side
    172,603,949.76x = 23,645,027,408,775,008
  5. Step 5: Solve for x
    x = 23,645,027,408,775,008/172,603,949.76
  6. Step 6: Final answer
    x = 136,990,071.44

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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.