Home / 72,121,175.56-107,659,541.57-63,394,499.26

Finding the Fourth Proportional to 72,121,175.56, 107,659,541.57 and 63,394,499.26

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Solution

The fourth proportional to 72,121,175.56, 107,659,541.57 and 63,394,499.26 is: 94,632,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,121,175.56 : 107,659,541.57 = 63,394,499.26 : x
  2. Step 2: Convert to fraction form
    72,121,175.56/107,659,541.57 = 63,394,499.26/x
  3. Step 3: Cross multiply
    72,121,175.56x = 107,659,541.57 × 63,394,499.26
  4. Step 4: Simplify right side
    72,121,175.56x = 6,825,022,728,391,304
  5. Step 5: Solve for x
    x = 6,825,022,728,391,304/72,121,175.56
  6. Step 6: Final answer
    x = 94,632,716.06

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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.