Home / 122,864,472.78-169,551,964.62-67,109,928.72

Finding the Fourth Proportional to 122,864,472.78, 169,551,964.62 and 67,109,928.72

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Solution

The fourth proportional to 122,864,472.78, 169,551,964.62 and 67,109,928.72 is: 92,611,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,864,472.78 : 169,551,964.62 = 67,109,928.72 : x
  2. Step 2: Convert to fraction form
    122,864,472.78/169,551,964.62 = 67,109,928.72/x
  3. Step 3: Cross multiply
    122,864,472.78x = 169,551,964.62 × 67,109,928.72
  4. Step 4: Simplify right side
    122,864,472.78x = 11,378,620,259,984,162
  5. Step 5: Solve for x
    x = 11,378,620,259,984,162/122,864,472.78
  6. Step 6: Final answer
    x = 92,611,151.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.