Home / 199,557,832.20-299,448,722.70-84,522,798.60

Finding the Fourth Proportional to 199,557,832.20, 299,448,722.70 and 84,522,798.60

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Solution

The fourth proportional to 199,557,832.20, 299,448,722.70 and 84,522,798.60 is: 126,831,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557,832.20 : 299,448,722.70 = 84,522,798.60 : x
  2. Step 2: Convert to fraction form
    199,557,832.20/299,448,722.70 = 84,522,798.60/x
  3. Step 3: Cross multiply
    199,557,832.20x = 299,448,722.70 × 84,522,798.60
  4. Step 4: Simplify right side
    199,557,832.20x = 25,310,244,079,799,344
  5. Step 5: Solve for x
    x = 25,310,244,079,799,344/199,557,832.20
  6. Step 6: Final answer
    x = 126,831,624.70

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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.