Home / 149,529,489.62-206,342,086.31-83,444,801.27

Finding the Fourth Proportional to 149,529,489.62, 206,342,086.31 and 83,444,801.27

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Solution

The fourth proportional to 149,529,489.62, 206,342,086.31 and 83,444,801.27 is: 115,149,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,529,489.62 : 206,342,086.31 = 83,444,801.27 : x
  2. Step 2: Convert to fraction form
    149,529,489.62/206,342,086.31 = 83,444,801.27/x
  3. Step 3: Cross multiply
    149,529,489.62x = 206,342,086.31 × 83,444,801.27
  4. Step 4: Simplify right side
    149,529,489.62x = 17,218,174,386,290,992
  5. Step 5: Solve for x
    x = 17,218,174,386,290,992/149,529,489.62
  6. Step 6: Final answer
    x = 115,149,021.31

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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.