Home / 161,179,937.93-222,429,067.59-91,569,138.54

Finding the Fourth Proportional to 161,179,937.93, 222,429,067.59 and 91,569,138.54

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Solution

The fourth proportional to 161,179,937.93, 222,429,067.59 and 91,569,138.54 is: 126,365,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179,937.93 : 222,429,067.59 = 91,569,138.54 : x
  2. Step 2: Convert to fraction form
    161,179,937.93/222,429,067.59 = 91,569,138.54/x
  3. Step 3: Cross multiply
    161,179,937.93x = 222,429,067.59 × 91,569,138.54
  4. Step 4: Simplify right side
    161,179,937.93x = 20,367,638,105,013,892
  5. Step 5: Solve for x
    x = 20,367,638,105,013,892/161,179,937.93
  6. Step 6: Final answer
    x = 126,365,839.12

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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.