Home / 293,534,175.72-405,066,837.02-161,374,213.92

Finding the Fourth Proportional to 293,534,175.72, 405,066,837.02 and 161,374,213.92

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Solution

The fourth proportional to 293,534,175.72, 405,066,837.02 and 161,374,213.92 is: 222,690,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,534,175.72 : 405,066,837.02 = 161,374,213.92 : x
  2. Step 2: Convert to fraction form
    293,534,175.72/405,066,837.02 = 161,374,213.92/x
  3. Step 3: Cross multiply
    293,534,175.72x = 405,066,837.02 × 161,374,213.92
  4. Step 4: Simplify right side
    293,534,175.72x = 65,367,342,408,356,376
  5. Step 5: Solve for x
    x = 65,367,342,408,356,376/293,534,175.72
  6. Step 6: Final answer
    x = 222,690,738.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.