Home / 159,085,174.76-238,627,896.07-76,067,394.69

Finding the Fourth Proportional to 159,085,174.76, 238,627,896.07 and 76,067,394.69

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Solution

The fourth proportional to 159,085,174.76, 238,627,896.07 and 76,067,394.69 is: 114,101,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,085,174.76 : 238,627,896.07 = 76,067,394.69 : x
  2. Step 2: Convert to fraction form
    159,085,174.76/238,627,896.07 = 76,067,394.69/x
  3. Step 3: Cross multiply
    159,085,174.76x = 238,627,896.07 × 76,067,394.69
  4. Step 4: Simplify right side
    159,085,174.76x = 18,151,802,354,400,988
  5. Step 5: Solve for x
    x = 18,151,802,354,400,988/159,085,174.76
  6. Step 6: Final answer
    x = 114,101,156.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.