Home / 168,500,633,459.36-252,837,847,456.85-78,972,722,276.49

Finding the Fourth Proportional to 168,500,633,459.36, 252,837,847,456.85 and 78,972,722,276.49

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Solution

The fourth proportional to 168,500,633,459.36, 252,837,847,456.85 and 78,972,722,276.49 is: 118,499,810,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,500,633,459.36 : 252,837,847,456.85 = 78,972,722,276.49 : x
  2. Step 2: Convert to fraction form
    168,500,633,459.36/252,837,847,456.85 = 78,972,722,276.49/x
  3. Step 3: Cross multiply
    168,500,633,459.36x = 252,837,847,456.85 × 78,972,722,276.49
  4. Step 4: Simplify right side
    168,500,633,459.36x = 19,967,293,108,195,359,195,136
  5. Step 5: Solve for x
    x = 19,967,293,108,195,359,195,136/168,500,633,459.36
  6. Step 6: Final answer
    x = 118,499,810,346.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.