Home / 293,543,893.56-405,090,832.41-161,387,138.28

Finding the Fourth Proportional to 293,543,893.56, 405,090,832.41 and 161,387,138.28

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Solution

The fourth proportional to 293,543,893.56, 405,090,832.41 and 161,387,138.28 is: 222,714,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,543,893.56 : 405,090,832.41 = 161,387,138.28 : x
  2. Step 2: Convert to fraction form
    293,543,893.56/405,090,832.41 = 161,387,138.28/x
  3. Step 3: Cross multiply
    293,543,893.56x = 405,090,832.41 × 161,387,138.28
  4. Step 4: Simplify right side
    293,543,893.56x = 65,376,450,186,112,984
  5. Step 5: Solve for x
    x = 65,376,450,186,112,984/293,543,893.56
  6. Step 6: Final answer
    x = 222,714,393.39

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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.