Home / 115,416,997.56-173,125,840.74-27,978,167.82

Finding the Fourth Proportional to 115,416,997.56, 173,125,840.74 and 27,978,167.82

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Solution

The fourth proportional to 115,416,997.56, 173,125,840.74 and 27,978,167.82 is: 41,967,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416,997.56 : 173,125,840.74 = 27,978,167.82 : x
  2. Step 2: Convert to fraction form
    115,416,997.56/173,125,840.74 = 27,978,167.82/x
  3. Step 3: Cross multiply
    115,416,997.56x = 173,125,840.74 × 27,978,167.82
  4. Step 4: Simplify right side
    115,416,997.56x = 4,843,743,826,202,313
  5. Step 5: Solve for x
    x = 4,843,743,826,202,313/115,416,997.56
  6. Step 6: Final answer
    x = 41,967,335.22

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1.5x scale

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.