Home / 199,557,830.20-299,448,719.70-84,522,796.60

Finding the Fourth Proportional to 199,557,830.20, 299,448,719.70 and 84,522,796.60

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Solution

The fourth proportional to 199,557,830.20, 299,448,719.70 and 84,522,796.60 is: 126,831,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557,830.20 : 299,448,719.70 = 84,522,796.60 : x
  2. Step 2: Convert to fraction form
    199,557,830.20/299,448,719.70 = 84,522,796.60/x
  3. Step 3: Cross multiply
    199,557,830.20x = 299,448,719.70 × 84,522,796.60
  4. Step 4: Simplify right side
    199,557,830.20x = 25,310,243,227,333,512
  5. Step 5: Solve for x
    x = 25,310,243,227,333,512/199,557,830.20
  6. Step 6: Final answer
    x = 126,831,621.70

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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.