Home / 199,557,856.20-299,448,758.70-84,522,822.60

Finding the Fourth Proportional to 199,557,856.20, 299,448,758.70 and 84,522,822.60

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Solution

The fourth proportional to 199,557,856.20, 299,448,758.70 and 84,522,822.60 is: 126,831,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557,856.20 : 299,448,758.70 = 84,522,822.60 : x
  2. Step 2: Convert to fraction form
    199,557,856.20/299,448,758.70 = 84,522,822.60/x
  3. Step 3: Cross multiply
    199,557,856.20x = 299,448,758.70 × 84,522,822.60
  4. Step 4: Simplify right side
    199,557,856.20x = 25,310,254,309,390,304
  5. Step 5: Solve for x
    x = 25,310,254,309,390,304/199,557,856.20
  6. Step 6: Final answer
    x = 126,831,660.71

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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.