Home / 200,945,347.56-301,438,874.16-55,378,933.56

Finding the Fourth Proportional to 200,945,347.56, 301,438,874.16 and 55,378,933.56

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Solution

The fourth proportional to 200,945,347.56, 301,438,874.16 and 55,378,933.56 is: 83,074,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,945,347.56 : 301,438,874.16 = 55,378,933.56 : x
  2. Step 2: Convert to fraction form
    200,945,347.56/301,438,874.16 = 55,378,933.56/x
  3. Step 3: Cross multiply
    200,945,347.56x = 301,438,874.16 × 55,378,933.56
  4. Step 4: Simplify right side
    200,945,347.56x = 16,693,363,384,507,842
  5. Step 5: Solve for x
    x = 16,693,363,384,507,842/200,945,347.56
  6. Step 6: Final answer
    x = 83,074,147.21

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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.