Home / 293,542,588.40-405,089,031.12-161,385,833.44

Finding the Fourth Proportional to 293,542,588.40, 405,089,031.12 and 161,385,833.44

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Solution

The fourth proportional to 293,542,588.40, 405,089,031.12 and 161,385,833.44 is: 222,712,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,542,588.40 : 405,089,031.12 = 161,385,833.44 : x
  2. Step 2: Convert to fraction form
    293,542,588.40/405,089,031.12 = 161,385,833.44/x
  3. Step 3: Cross multiply
    293,542,588.40x = 405,089,031.12 × 161,385,833.44
  4. Step 4: Simplify right side
    293,542,588.40x = 65,375,630,904,703,296
  5. Step 5: Solve for x
    x = 65,375,630,904,703,296/293,542,588.40
  6. Step 6: Final answer
    x = 222,712,592.61

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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.