Home / 163,181,342.06-244,618,128.90-81,222,732.44

Finding the Fourth Proportional to 163,181,342.06, 244,618,128.90 and 81,222,732.44

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Solution

The fourth proportional to 163,181,342.06, 244,618,128.90 and 81,222,732.44 is: 121,757,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,181,342.06 : 244,618,128.90 = 81,222,732.44 : x
  2. Step 2: Convert to fraction form
    163,181,342.06/244,618,128.90 = 81,222,732.44/x
  3. Step 3: Cross multiply
    163,181,342.06x = 244,618,128.90 × 81,222,732.44
  4. Step 4: Simplify right side
    163,181,342.06x = 19,868,552,833,618,132
  5. Step 5: Solve for x
    x = 19,868,552,833,618,132/163,181,342.06
  6. Step 6: Final answer
    x = 121,757,503.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.