Home / 36,244,985.20-54,367,477.80-20,120,671.60

Finding the Fourth Proportional to 36,244,985.20, 54,367,477.80 and 20,120,671.60

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Solution

The fourth proportional to 36,244,985.20, 54,367,477.80 and 20,120,671.60 is: 30,181,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,244,985.20 : 54,367,477.80 = 20,120,671.60 : x
  2. Step 2: Convert to fraction form
    36,244,985.20/54,367,477.80 = 20,120,671.60/x
  3. Step 3: Cross multiply
    36,244,985.20x = 54,367,477.80 × 20,120,671.60
  4. Step 4: Simplify right side
    36,244,985.20x = 1,093,910,166,534,090.50
  5. Step 5: Solve for x
    x = 1,093,910,166,534,090.50/36,244,985.20
  6. Step 6: Final answer
    x = 30,181,007.40

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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.