Home / 71,523,009.30-107,284,513.95-36,979,344.30

Finding the Fourth Proportional to 71,523,009.30, 107,284,513.95 and 36,979,344.30

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Solution

The fourth proportional to 71,523,009.30, 107,284,513.95 and 36,979,344.30 is: 55,469,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,523,009.30 : 107,284,513.95 = 36,979,344.30 : x
  2. Step 2: Convert to fraction form
    71,523,009.30/107,284,513.95 = 36,979,344.30/x
  3. Step 3: Cross multiply
    71,523,009.30x = 107,284,513.95 × 36,979,344.30
  4. Step 4: Simplify right side
    71,523,009.30x = 3,967,310,979,415,203
  5. Step 5: Solve for x
    x = 3,967,310,979,415,203/71,523,009.30
  6. Step 6: Final answer
    x = 55,469,016.45

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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.