Home / 122,810,505,151.35-169,487,267,086.86-67,876,496,418.35

Finding the Fourth Proportional to 122,810,505,151.35, 169,487,267,086.86 and 67,876,496,418.35

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Solution

The fourth proportional to 122,810,505,151.35, 169,487,267,086.86 and 67,876,496,418.35 is: 93,674,412,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,810,505,151.35 : 169,487,267,086.86 = 67,876,496,418.35 : x
  2. Step 2: Convert to fraction form
    122,810,505,151.35/169,487,267,086.86 = 67,876,496,418.35/x
  3. Step 3: Cross multiply
    122,810,505,151.35x = 169,487,267,086.86 × 67,876,496,418.35
  4. Step 4: Simplify right side
    122,810,505,151.35x = 11,504,201,877,377,182,072,832
  5. Step 5: Solve for x
    x = 11,504,201,877,377,182,072,832/122,810,505,151.35
  6. Step 6: Final answer
    x = 93,674,412,162.05

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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.