Home / 74,309,229.60-111,463,844.40-40,297,005.60

Finding the Fourth Proportional to 74,309,229.60, 111,463,844.40 and 40,297,005.60

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Solution

The fourth proportional to 74,309,229.60, 111,463,844.40 and 40,297,005.60 is: 60,445,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,309,229.60 : 111,463,844.40 = 40,297,005.60 : x
  2. Step 2: Convert to fraction form
    74,309,229.60/111,463,844.40 = 40,297,005.60/x
  3. Step 3: Cross multiply
    74,309,229.60x = 111,463,844.40 × 40,297,005.60
  4. Step 4: Simplify right side
    74,309,229.60x = 4,491,659,161,984,329
  5. Step 5: Solve for x
    x = 4,491,659,161,984,329/74,309,229.60
  6. Step 6: Final answer
    x = 60,445,508.40

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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.