Home / 198,613,394.37-274,082,189.40-114,985,051.29

Finding the Fourth Proportional to 198,613,394.37, 274,082,189.40 and 114,985,051.29

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Solution

The fourth proportional to 198,613,394.37, 274,082,189.40 and 114,985,051.29 is: 158,676,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,613,394.37 : 274,082,189.40 = 114,985,051.29 : x
  2. Step 2: Convert to fraction form
    198,613,394.37/274,082,189.40 = 114,985,051.29/x
  3. Step 3: Cross multiply
    198,613,394.37x = 274,082,189.40 × 114,985,051.29
  4. Step 4: Simplify right side
    198,613,394.37x = 31,515,354,605,834,492
  5. Step 5: Solve for x
    x = 31,515,354,605,834,492/198,613,394.37
  6. Step 6: Final answer
    x = 158,676,884.34

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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.