Home / 290,996,049.54-401,514,601.51-167,212,811.82

Finding the Fourth Proportional to 290,996,049.54, 401,514,601.51 and 167,212,811.82

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Solution

The fourth proportional to 290,996,049.54, 401,514,601.51 and 167,212,811.82 is: 230,719,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,996,049.54 : 401,514,601.51 = 167,212,811.82 : x
  2. Step 2: Convert to fraction form
    290,996,049.54/401,514,601.51 = 167,212,811.82/x
  3. Step 3: Cross multiply
    290,996,049.54x = 401,514,601.51 × 167,212,811.82
  4. Step 4: Simplify right side
    290,996,049.54x = 67,138,385,504,437,848
  5. Step 5: Solve for x
    x = 67,138,385,504,437,848/290,996,049.54
  6. Step 6: Final answer
    x = 230,719,233.51

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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.