Home / 198,613,378.62-274,082,167.67-114,985,035.54

Finding the Fourth Proportional to 198,613,378.62, 274,082,167.67 and 114,985,035.54

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Solution

The fourth proportional to 198,613,378.62, 274,082,167.67 and 114,985,035.54 is: 158,676,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,613,378.62 : 274,082,167.67 = 114,985,035.54 : x
  2. Step 2: Convert to fraction form
    198,613,378.62/274,082,167.67 = 114,985,035.54/x
  3. Step 3: Cross multiply
    198,613,378.62x = 274,082,167.67 × 114,985,035.54
  4. Step 4: Simplify right side
    198,613,378.62x = 31,515,347,789,840,268
  5. Step 5: Solve for x
    x = 31,515,347,789,840,268/198,613,378.62
  6. Step 6: Final answer
    x = 158,676,862.60

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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.