Home / 35,629,243.20-53,443,864.80-31,519,432.80

Finding the Fourth Proportional to 35,629,243.20, 53,443,864.80 and 31,519,432.80

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Solution

The fourth proportional to 35,629,243.20, 53,443,864.80 and 31,519,432.80 is: 47,279,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,629,243.20 : 53,443,864.80 = 31,519,432.80 : x
  2. Step 2: Convert to fraction form
    35,629,243.20/53,443,864.80 = 31,519,432.80/x
  3. Step 3: Cross multiply
    35,629,243.20x = 53,443,864.80 × 31,519,432.80
  4. Step 4: Simplify right side
    35,629,243.20x = 1,684,520,305,135,885.50
  5. Step 5: Solve for x
    x = 1,684,520,305,135,885.50/35,629,243.20
  6. Step 6: Final answer
    x = 47,279,149.20

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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.