Home / 125,008,517.39-172,511,748.34-68,493,490.20

Finding the Fourth Proportional to 125,008,517.39, 172,511,748.34 and 68,493,490.20

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Solution

The fourth proportional to 125,008,517.39, 172,511,748.34 and 68,493,490.20 is: 94,521,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,008,517.39 : 172,511,748.34 = 68,493,490.20 : x
  2. Step 2: Convert to fraction form
    125,008,517.39/172,511,748.34 = 68,493,490.20/x
  3. Step 3: Cross multiply
    125,008,517.39x = 172,511,748.34 × 68,493,490.20
  4. Step 4: Simplify right side
    125,008,517.39x = 11,815,931,744,139,424
  5. Step 5: Solve for x
    x = 11,815,931,744,139,424/125,008,517.39
  6. Step 6: Final answer
    x = 94,521,013.38

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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.