Home / 205,305,643.08-283,310,953.38-117,196,137

Finding the Fourth Proportional to 205,305,643.08, 283,310,953.38 and 117,196,137

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Solution

The fourth proportional to 205,305,643.08, 283,310,953.38 and 117,196,137 is: 161,724,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,305,643.08 : 283,310,953.38 = 117,196,137 : x
  2. Step 2: Convert to fraction form
    205,305,643.08/283,310,953.38 = 117,196,137/x
  3. Step 3: Cross multiply
    205,305,643.08x = 283,310,953.38 × 117,196,137
  4. Step 4: Simplify right side
    205,305,643.08x = 33,202,949,305,923,092
  5. Step 5: Solve for x
    x = 33,202,949,305,923,092/205,305,643.08
  6. Step 6: Final answer
    x = 161,724,484.57

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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.