Home / 161,179,937.87-222,429,067.50-91,569,138.48

Finding the Fourth Proportional to 161,179,937.87, 222,429,067.50 and 91,569,138.48

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Solution

The fourth proportional to 161,179,937.87, 222,429,067.50 and 91,569,138.48 is: 126,365,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179,937.87 : 222,429,067.50 = 91,569,138.48 : x
  2. Step 2: Convert to fraction form
    161,179,937.87/222,429,067.50 = 91,569,138.48/x
  3. Step 3: Cross multiply
    161,179,937.87x = 222,429,067.50 × 91,569,138.48
  4. Step 4: Simplify right side
    161,179,937.87x = 20,367,638,083,884,768
  5. Step 5: Solve for x
    x = 20,367,638,083,884,768/161,179,937.87
  6. Step 6: Final answer
    x = 126,365,839.03

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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.