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Finding the Fourth Proportional to 172,112,403, 237,515,121 and 94,850,067

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Solution

The fourth proportional to 172,112,403, 237,515,121 and 94,850,067 is: 130,893,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,112,403 : 237,515,121 = 94,850,067 : x
  2. Step 2: Convert to fraction form
    172,112,403/237,515,121 = 94,850,067/x
  3. Step 3: Cross multiply
    172,112,403x = 237,515,121 × 94,850,067
  4. Step 4: Simplify right side
    172,112,403x = 22,528,325,140,363,108
  5. Step 5: Solve for x
    x = 22,528,325,140,363,108/172,112,403
  6. Step 6: Final answer
    x = 130,893,095.14

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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.