Home / 326,747,208.56-450,897,992.81-178,065,137.28

Finding the Fourth Proportional to 326,747,208.56, 450,897,992.81 and 178,065,137.28

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Solution

The fourth proportional to 326,747,208.56, 450,897,992.81 and 178,065,137.28 is: 245,722,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,747,208.56 : 450,897,992.81 = 178,065,137.28 : x
  2. Step 2: Convert to fraction form
    326,747,208.56/450,897,992.81 = 178,065,137.28/x
  3. Step 3: Cross multiply
    326,747,208.56x = 450,897,992.81 × 178,065,137.28
  4. Step 4: Simplify right side
    326,747,208.56x = 80,289,212,988,098,784
  5. Step 5: Solve for x
    x = 80,289,212,988,098,784/326,747,208.56
  6. Step 6: Final answer
    x = 245,722,720.46

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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.