Home / 365,082,121.40-503,815,081.62-197,818,338.44

Finding the Fourth Proportional to 365,082,121.40, 503,815,081.62 and 197,818,338.44

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Solution

The fourth proportional to 365,082,121.40, 503,815,081.62 and 197,818,338.44 is: 272,990,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,082,121.40 : 503,815,081.62 = 197,818,338.44 : x
  2. Step 2: Convert to fraction form
    365,082,121.40/503,815,081.62 = 197,818,338.44/x
  3. Step 3: Cross multiply
    365,082,121.40x = 503,815,081.62 × 197,818,338.44
  4. Step 4: Simplify right side
    365,082,121.40x = 99,663,862,327,081,376
  5. Step 5: Solve for x
    x = 99,663,862,327,081,376/365,082,121.40
  6. Step 6: Final answer
    x = 272,990,257.49

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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.