Home / 122,217,584.40-168,657,927.57-67,213,440.90

Finding the Fourth Proportional to 122,217,584.40, 168,657,927.57 and 67,213,440.90

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Solution

The fourth proportional to 122,217,584.40, 168,657,927.57 and 67,213,440.90 is: 92,753,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217,584.40 : 168,657,927.57 = 67,213,440.90 : x
  2. Step 2: Convert to fraction form
    122,217,584.40/168,657,927.57 = 67,213,440.90/x
  3. Step 3: Cross multiply
    122,217,584.40x = 168,657,927.57 × 67,213,440.90
  4. Step 4: Simplify right side
    122,217,584.40x = 11,336,079,647,042,676
  5. Step 5: Solve for x
    x = 11,336,079,647,042,676/122,217,584.40
  6. Step 6: Final answer
    x = 92,753,262.17

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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.