Home / 35,515,310.20-53,272,965.30-20,398,766.20

Finding the Fourth Proportional to 35,515,310.20, 53,272,965.30 and 20,398,766.20

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Solution

The fourth proportional to 35,515,310.20, 53,272,965.30 and 20,398,766.20 is: 30,598,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515,310.20 : 53,272,965.30 = 20,398,766.20 : x
  2. Step 2: Convert to fraction form
    35,515,310.20/53,272,965.30 = 20,398,766.20/x
  3. Step 3: Cross multiply
    35,515,310.20x = 53,272,965.30 × 20,398,766.20
  4. Step 4: Simplify right side
    35,515,310.20x = 1,086,702,763,935,412.75
  5. Step 5: Solve for x
    x = 1,086,702,763,935,412.75/35,515,310.20
  6. Step 6: Final answer
    x = 30,598,149.30

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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.