Home / 109,940,405.40-164,910,608.10-103,137,960.60

Finding the Fourth Proportional to 109,940,405.40, 164,910,608.10 and 103,137,960.60

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Solution

The fourth proportional to 109,940,405.40, 164,910,608.10 and 103,137,960.60 is: 154,706,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,940,405.40 : 164,910,608.10 = 103,137,960.60 : x
  2. Step 2: Convert to fraction form
    109,940,405.40/164,910,608.10 = 103,137,960.60/x
  3. Step 3: Cross multiply
    109,940,405.40x = 164,910,608.10 × 103,137,960.60
  4. Step 4: Simplify right side
    109,940,405.40x = 17,008,543,800,739,840
  5. Step 5: Solve for x
    x = 17,008,543,800,739,840/109,940,405.40
  6. Step 6: Final answer
    x = 154,706,940.90

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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.