Home / 35,443,425.60-53,165,138.40-20,284,891.20

Finding the Fourth Proportional to 35,443,425.60, 53,165,138.40 and 20,284,891.20

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Solution

The fourth proportional to 35,443,425.60, 53,165,138.40 and 20,284,891.20 is: 30,427,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443,425.60 : 53,165,138.40 = 20,284,891.20 : x
  2. Step 2: Convert to fraction form
    35,443,425.60/53,165,138.40 = 20,284,891.20/x
  3. Step 3: Cross multiply
    35,443,425.60x = 53,165,138.40 × 20,284,891.20
  4. Step 4: Simplify right side
    35,443,425.60x = 1,078,449,048,076,942
  5. Step 5: Solve for x
    x = 1,078,449,048,076,942/35,443,425.60
  6. Step 6: Final answer
    x = 30,427,336.80

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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.