Home / 161,179,937.56-222,429,067.08-91,569,138.18

Finding the Fourth Proportional to 161,179,937.56, 222,429,067.08 and 91,569,138.18

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Solution

The fourth proportional to 161,179,937.56, 222,429,067.08 and 91,569,138.18 is: 126,365,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179,937.56 : 222,429,067.08 = 91,569,138.18 : x
  2. Step 2: Convert to fraction form
    161,179,937.56/222,429,067.08 = 91,569,138.18/x
  3. Step 3: Cross multiply
    161,179,937.56x = 222,429,067.08 × 91,569,138.18
  4. Step 4: Simplify right side
    161,179,937.56x = 20,367,637,978,697,012
  5. Step 5: Solve for x
    x = 20,367,637,978,697,012/161,179,937.56
  6. Step 6: Final answer
    x = 126,365,838.62

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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.