Home / 122,379,270.88-168,876,983.28-67,364,381.92

Finding the Fourth Proportional to 122,379,270.88, 168,876,983.28 and 67,364,381.92

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Solution

The fourth proportional to 122,379,270.88, 168,876,983.28 and 67,364,381.92 is: 92,959,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,379,270.88 : 168,876,983.28 = 67,364,381.92 : x
  2. Step 2: Convert to fraction form
    122,379,270.88/168,876,983.28 = 67,364,381.92/x
  3. Step 3: Cross multiply
    122,379,270.88x = 168,876,983.28 × 67,364,381.92
  4. Step 4: Simplify right side
    122,379,270.88x = 11,376,293,599,171,374
  5. Step 5: Solve for x
    x = 11,376,293,599,171,374/122,379,270.88
  6. Step 6: Final answer
    x = 92,959,318.33

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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.