Home / 71,523,008.80-107,284,513.20-36,979,343.80

Finding the Fourth Proportional to 71,523,008.80, 107,284,513.20 and 36,979,343.80

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Solution

The fourth proportional to 71,523,008.80, 107,284,513.20 and 36,979,343.80 is: 55,469,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,523,008.80 : 107,284,513.20 = 36,979,343.80 : x
  2. Step 2: Convert to fraction form
    71,523,008.80/107,284,513.20 = 36,979,343.80/x
  3. Step 3: Cross multiply
    71,523,008.80x = 107,284,513.20 × 36,979,343.80
  4. Step 4: Simplify right side
    71,523,008.80x = 3,967,310,898,038,438
  5. Step 5: Solve for x
    x = 3,967,310,898,038,438/71,523,008.80
  6. Step 6: Final answer
    x = 55,469,015.70

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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.