Home / 307,522,218.49-424,380,387.34-173,588,326.22

Finding the Fourth Proportional to 307,522,218.49, 424,380,387.34 and 173,588,326.22

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Solution

The fourth proportional to 307,522,218.49, 424,380,387.34 and 173,588,326.22 is: 239,551,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,522,218.49 : 424,380,387.34 = 173,588,326.22 : x
  2. Step 2: Convert to fraction form
    307,522,218.49/424,380,387.34 = 173,588,326.22/x
  3. Step 3: Cross multiply
    307,522,218.49x = 424,380,387.34 × 173,588,326.22
  4. Step 4: Simplify right side
    307,522,218.49x = 73,667,481,118,945,872
  5. Step 5: Solve for x
    x = 73,667,481,118,945,872/307,522,218.49
  6. Step 6: Final answer
    x = 239,551,735.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.