Home / 122,217,614.40-168,657,968.97-67,213,470.90

Finding the Fourth Proportional to 122,217,614.40, 168,657,968.97 and 67,213,470.90

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Solution

The fourth proportional to 122,217,614.40, 168,657,968.97 and 67,213,470.90 is: 92,753,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217,614.40 : 168,657,968.97 = 67,213,470.90 : x
  2. Step 2: Convert to fraction form
    122,217,614.40/168,657,968.97 = 67,213,470.90/x
  3. Step 3: Cross multiply
    122,217,614.40x = 168,657,968.97 × 67,213,470.90
  4. Step 4: Simplify right side
    122,217,614.40x = 11,336,087,489,418,198
  5. Step 5: Solve for x
    x = 11,336,087,489,418,198/122,217,614.40
  6. Step 6: Final answer
    x = 92,753,303.56

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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.