Home / 160,987,631.92-222,183,007.08-91,395,542.32

Finding the Fourth Proportional to 160,987,631.92, 222,183,007.08 and 91,395,542.32

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Solution

The fourth proportional to 160,987,631.92, 222,183,007.08 and 91,395,542.32 is: 126,137,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,987,631.92 : 222,183,007.08 = 91,395,542.32 : x
  2. Step 2: Convert to fraction form
    160,987,631.92/222,183,007.08 = 91,395,542.32/x
  3. Step 3: Cross multiply
    160,987,631.92x = 222,183,007.08 × 91,395,542.32
  4. Step 4: Simplify right side
    160,987,631.92x = 20,306,536,426,365,000
  5. Step 5: Solve for x
    x = 20,306,536,426,365,000/160,987,631.92
  6. Step 6: Final answer
    x = 126,137,245.35

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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.