Home / 68,628,232.58-102,910,956.51-40,974,702.98

Finding the Fourth Proportional to 68,628,232.58, 102,910,956.51 and 40,974,702.98

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Solution

The fourth proportional to 68,628,232.58, 102,910,956.51 and 40,974,702.98 is: 61,443,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628,232.58 : 102,910,956.51 = 40,974,702.98 : x
  2. Step 2: Convert to fraction form
    68,628,232.58/102,910,956.51 = 40,974,702.98/x
  3. Step 3: Cross multiply
    68,628,232.58x = 102,910,956.51 × 40,974,702.98
  4. Step 4: Simplify right side
    68,628,232.58x = 4,216,745,876,384,947.50
  5. Step 5: Solve for x
    x = 4,216,745,876,384,947.50/68,628,232.58
  6. Step 6: Final answer
    x = 61,443,311.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.