Home / 293,543,890.94-405,090,828.79-161,387,135.66

Finding the Fourth Proportional to 293,543,890.94, 405,090,828.79 and 161,387,135.66

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Solution

The fourth proportional to 293,543,890.94, 405,090,828.79 and 161,387,135.66 is: 222,714,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,543,890.94 : 405,090,828.79 = 161,387,135.66 : x
  2. Step 2: Convert to fraction form
    293,543,890.94/405,090,828.79 = 161,387,135.66/x
  3. Step 3: Cross multiply
    293,543,890.94x = 405,090,828.79 × 161,387,135.66
  4. Step 4: Simplify right side
    293,543,890.94x = 65,376,448,538,124,648
  5. Step 5: Solve for x
    x = 65,376,448,538,124,648/293,543,890.94
  6. Step 6: Final answer
    x = 222,714,389.76

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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.