Home / 200,324,982.08-300,507,768.47-69,150,160.64

Finding the Fourth Proportional to 200,324,982.08, 300,507,768.47 and 69,150,160.64

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Solution

The fourth proportional to 200,324,982.08, 300,507,768.47 and 69,150,160.64 is: 103,732,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,324,982.08 : 300,507,768.47 = 69,150,160.64 : x
  2. Step 2: Convert to fraction form
    200,324,982.08/300,507,768.47 = 69,150,160.64/x
  3. Step 3: Cross multiply
    200,324,982.08x = 300,507,768.47 × 69,150,160.64
  4. Step 4: Simplify right side
    200,324,982.08x = 20,780,160,461,938,768
  5. Step 5: Solve for x
    x = 20,780,160,461,938,768/200,324,982.08
  6. Step 6: Final answer
    x = 103,732,246.71

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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.