Home / 74,200,963.89-111,268,968.89-30,451,720.17

Finding the Fourth Proportional to 74,200,963.89, 111,268,968.89 and 30,451,720.17

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Solution

The fourth proportional to 74,200,963.89, 111,268,968.89 and 30,451,720.17 is: 45,664,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200,963.89 : 111,268,968.89 = 30,451,720.17 : x
  2. Step 2: Convert to fraction form
    74,200,963.89/111,268,968.89 = 30,451,720.17/x
  3. Step 3: Cross multiply
    74,200,963.89x = 111,268,968.89 × 30,451,720.17
  4. Step 4: Simplify right side
    74,200,963.89x = 3,388,331,504,090,457.50
  5. Step 5: Solve for x
    x = 3,388,331,504,090,457.50/74,200,963.89
  6. Step 6: Final answer
    x = 45,664,251.87

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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.