Home / 310,614,327.39-428,656,741.16-171,394,057.02

Finding the Fourth Proportional to 310,614,327.39, 428,656,741.16 and 171,394,057.02

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Solution

The fourth proportional to 310,614,327.39, 428,656,741.16 and 171,394,057.02 is: 236,528,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,614,327.39 : 428,656,741.16 = 171,394,057.02 : x
  2. Step 2: Convert to fraction form
    310,614,327.39/428,656,741.16 = 171,394,057.02/x
  3. Step 3: Cross multiply
    310,614,327.39x = 428,656,741.16 × 171,394,057.02
  4. Step 4: Simplify right side
    310,614,327.39x = 73,469,217,935,527,456
  5. Step 5: Solve for x
    x = 73,469,217,935,527,456/310,614,327.39
  6. Step 6: Final answer
    x = 236,528,747.89

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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.