Home / 72,149,590.43-108,261,593.79-33,814,999.07

Finding the Fourth Proportional to 72,149,590.43, 108,261,593.79 and 33,814,999.07

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Solution

The fourth proportional to 72,149,590.43, 108,261,593.79 and 33,814,999.07 is: 50,739,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149,590.43 : 108,261,593.79 = 33,814,999.07 : x
  2. Step 2: Convert to fraction form
    72,149,590.43/108,261,593.79 = 33,814,999.07/x
  3. Step 3: Cross multiply
    72,149,590.43x = 108,261,593.79 × 33,814,999.07
  4. Step 4: Simplify right side
    72,149,590.43x = 3,660,865,692,784,260
  5. Step 5: Solve for x
    x = 3,660,865,692,784,260/72,149,590.43
  6. Step 6: Final answer
    x = 50,739,937.28

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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.