Home / 53,777,287.20-80,665,930.80-19,702,077.60

Finding the Fourth Proportional to 53,777,287.20, 80,665,930.80 and 19,702,077.60

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Solution

The fourth proportional to 53,777,287.20, 80,665,930.80 and 19,702,077.60 is: 29,553,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777,287.20 : 80,665,930.80 = 19,702,077.60 : x
  2. Step 2: Convert to fraction form
    53,777,287.20/80,665,930.80 = 19,702,077.60/x
  3. Step 3: Cross multiply
    53,777,287.20x = 80,665,930.80 × 19,702,077.60
  4. Step 4: Simplify right side
    53,777,287.20x = 1,589,286,428,297,830.25
  5. Step 5: Solve for x
    x = 1,589,286,428,297,830.25/53,777,287.20
  6. Step 6: Final answer
    x = 29,553,116.40

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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.