Home / 122,376,691.24-168,873,759.30-67,371,366.76

Finding the Fourth Proportional to 122,376,691.24, 168,873,759.30 and 67,371,366.76

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Solution

The fourth proportional to 122,376,691.24, 168,873,759.30 and 67,371,366.76 is: 92,969,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,376,691.24 : 168,873,759.30 = 67,371,366.76 : x
  2. Step 2: Convert to fraction form
    122,376,691.24/168,873,759.30 = 67,371,366.76/x
  3. Step 3: Cross multiply
    122,376,691.24x = 168,873,759.30 × 67,371,366.76
  4. Step 4: Simplify right side
    122,376,691.24x = 11,377,255,973,940,262
  5. Step 5: Solve for x
    x = 11,377,255,973,940,262/122,376,691.24
  6. Step 6: Final answer
    x = 92,969,141.91

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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.