Home / 172,632,090.93-258,773,653.41-74,327,919.90

Finding the Fourth Proportional to 172,632,090.93, 258,773,653.41 and 74,327,919.90

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Solution

The fourth proportional to 172,632,090.93, 258,773,653.41 and 74,327,919.90 is: 111,416,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,632,090.93 : 258,773,653.41 = 74,327,919.90 : x
  2. Step 2: Convert to fraction form
    172,632,090.93/258,773,653.41 = 74,327,919.90/x
  3. Step 3: Cross multiply
    172,632,090.93x = 258,773,653.41 × 74,327,919.90
  4. Step 4: Simplify right side
    172,632,090.93x = 19,234,107,382,888,844
  5. Step 5: Solve for x
    x = 19,234,107,382,888,844/172,632,090.93
  6. Step 6: Final answer
    x = 111,416,755.02

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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.