Home / 204,066,912.60-306,100,368.90-111,915,043.20

Finding the Fourth Proportional to 204,066,912.60, 306,100,368.90 and 111,915,043.20

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Solution

The fourth proportional to 204,066,912.60, 306,100,368.90 and 111,915,043.20 is: 167,872,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,066,912.60 : 306,100,368.90 = 111,915,043.20 : x
  2. Step 2: Convert to fraction form
    204,066,912.60/306,100,368.90 = 111,915,043.20/x
  3. Step 3: Cross multiply
    204,066,912.60x = 306,100,368.90 × 111,915,043.20
  4. Step 4: Simplify right side
    204,066,912.60x = 34,257,236,008,979,436
  5. Step 5: Solve for x
    x = 34,257,236,008,979,436/204,066,912.60
  6. Step 6: Final answer
    x = 167,872,564.80

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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.