Home / 122,810,505,151.25-169,487,267,086.72-67,876,496,418.26

Finding the Fourth Proportional to 122,810,505,151.25, 169,487,267,086.72 and 67,876,496,418.26

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Solution

The fourth proportional to 122,810,505,151.25, 169,487,267,086.72 and 67,876,496,418.26 is: 93,674,412,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,810,505,151.25 : 169,487,267,086.72 = 67,876,496,418.26 : x
  2. Step 2: Convert to fraction form
    122,810,505,151.25/169,487,267,086.72 = 67,876,496,418.26/x
  3. Step 3: Cross multiply
    122,810,505,151.25x = 169,487,267,086.72 × 67,876,496,418.26
  4. Step 4: Simplify right side
    122,810,505,151.25x = 11,504,201,877,351,917,682,688
  5. Step 5: Solve for x
    x = 11,504,201,877,351,917,682,688/122,810,505,151.25
  6. Step 6: Final answer
    x = 93,674,412,161.92

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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.