Home / 112,045,583.70-168,068,375.55-66,583,977.30

Finding the Fourth Proportional to 112,045,583.70, 168,068,375.55 and 66,583,977.30

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Solution

The fourth proportional to 112,045,583.70, 168,068,375.55 and 66,583,977.30 is: 99,875,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,045,583.70 : 168,068,375.55 = 66,583,977.30 : x
  2. Step 2: Convert to fraction form
    112,045,583.70/168,068,375.55 = 66,583,977.30/x
  3. Step 3: Cross multiply
    112,045,583.70x = 168,068,375.55 × 66,583,977.30
  4. Step 4: Simplify right side
    112,045,583.70x = 11,190,660,902,469,076
  5. Step 5: Solve for x
    x = 11,190,660,902,469,076/112,045,583.70
  6. Step 6: Final answer
    x = 99,875,965.95

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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.