Home / 72,121,174.56-107,659,540.08-63,394,498.26

Finding the Fourth Proportional to 72,121,174.56, 107,659,540.08 and 63,394,498.26

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Solution

The fourth proportional to 72,121,174.56, 107,659,540.08 and 63,394,498.26 is: 94,632,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,121,174.56 : 107,659,540.08 = 63,394,498.26 : x
  2. Step 2: Convert to fraction form
    72,121,174.56/107,659,540.08 = 63,394,498.26/x
  3. Step 3: Cross multiply
    72,121,174.56x = 107,659,540.08 × 63,394,498.26
  4. Step 4: Simplify right side
    72,121,174.56x = 6,825,022,526,273,960
  5. Step 5: Solve for x
    x = 6,825,022,526,273,960/72,121,174.56
  6. Step 6: Final answer
    x = 94,632,714.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.