Home / 99,611,578.20-149,110,910.70-64,993,438.56

Finding the Fourth Proportional to 99,611,578.20, 149,110,910.70 and 64,993,438.56

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Solution

The fourth proportional to 99,611,578.20, 149,110,910.70 and 64,993,438.56 is: 97,290,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,611,578.20 : 149,110,910.70 = 64,993,438.56 : x
  2. Step 2: Convert to fraction form
    99,611,578.20/149,110,910.70 = 64,993,438.56/x
  3. Step 3: Cross multiply
    99,611,578.20x = 149,110,910.70 × 64,993,438.56
  4. Step 4: Simplify right side
    99,611,578.20x = 9,691,230,813,206,096
  5. Step 5: Solve for x
    x = 9,691,230,813,206,096/99,611,578.20
  6. Step 6: Final answer
    x = 97,290,204.50

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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.