Home / 109,848,954.20-164,534,282.85-66,642,800.90

Finding the Fourth Proportional to 109,848,954.20, 164,534,282.85 and 66,642,800.90

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Solution

The fourth proportional to 109,848,954.20, 164,534,282.85 and 66,642,800.90 is: 99,819,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848,954.20 : 164,534,282.85 = 66,642,800.90 : x
  2. Step 2: Convert to fraction form
    109,848,954.20/164,534,282.85 = 66,642,800.90/x
  3. Step 3: Cross multiply
    109,848,954.20x = 164,534,282.85 × 66,642,800.90
  4. Step 4: Simplify right side
    109,848,954.20x = 10,965,025,453,196,834
  5. Step 5: Solve for x
    x = 10,965,025,453,196,834/109,848,954.20
  6. Step 6: Final answer
    x = 99,819,115.56

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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.