Home / 122,538,974.94-169,101,695.52-66,785,054.94

Finding the Fourth Proportional to 122,538,974.94, 169,101,695.52 and 66,785,054.94

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Solution

The fourth proportional to 122,538,974.94, 169,101,695.52 and 66,785,054.94 is: 92,162,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,538,974.94 : 169,101,695.52 = 66,785,054.94 : x
  2. Step 2: Convert to fraction form
    122,538,974.94/169,101,695.52 = 66,785,054.94/x
  3. Step 3: Cross multiply
    122,538,974.94x = 169,101,695.52 × 66,785,054.94
  4. Step 4: Simplify right side
    122,538,974.94x = 11,293,466,025,750,352
  5. Step 5: Solve for x
    x = 11,293,466,025,750,352/122,538,974.94
  6. Step 6: Final answer
    x = 92,162,236.80

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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.