Home / 293,530,308.19-405,072,085.89-161,373,553.21

Finding the Fourth Proportional to 293,530,308.19, 405,072,085.89 and 161,373,553.21

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Solution

The fourth proportional to 293,530,308.19, 405,072,085.89 and 161,373,553.21 is: 222,695,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,530,308.19 : 405,072,085.89 = 161,373,553.21 : x
  2. Step 2: Convert to fraction form
    293,530,308.19/405,072,085.89 = 161,373,553.21/x
  3. Step 3: Cross multiply
    293,530,308.19x = 405,072,085.89 × 161,373,553.21
  4. Step 4: Simplify right side
    293,530,308.19x = 65,367,921,806,255,608
  5. Step 5: Solve for x
    x = 65,367,921,806,255,608/293,530,308.19
  6. Step 6: Final answer
    x = 222,695,646.69

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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.