Home / 300,545,881.74-450,812,404.44-82,196,224.56

Finding the Fourth Proportional to 300,545,881.74, 450,812,404.44 and 82,196,224.56

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Solution

The fourth proportional to 300,545,881.74, 450,812,404.44 and 82,196,224.56 is: 123,292,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,545,881.74 : 450,812,404.44 = 82,196,224.56 : x
  2. Step 2: Convert to fraction form
    300,545,881.74/450,812,404.44 = 82,196,224.56/x
  3. Step 3: Cross multiply
    300,545,881.74x = 450,812,404.44 × 82,196,224.56
  4. Step 4: Simplify right side
    300,545,881.74x = 37,055,077,629,783,784
  5. Step 5: Solve for x
    x = 37,055,077,629,783,784/300,545,881.74
  6. Step 6: Final answer
    x = 123,292,581.54

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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.