Home / 449,023,757.53-673,537,290.90-138,129,219.76

Finding the Fourth Proportional to 449,023,757.53, 673,537,290.90 and 138,129,219.76

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Solution

The fourth proportional to 449,023,757.53, 673,537,290.90 and 138,129,219.76 is: 207,194,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,023,757.53 : 673,537,290.90 = 138,129,219.76 : x
  2. Step 2: Convert to fraction form
    449,023,757.53/673,537,290.90 = 138,129,219.76/x
  3. Step 3: Cross multiply
    449,023,757.53x = 673,537,290.90 × 138,129,219.76
  4. Step 4: Simplify right side
    449,023,757.53x = 93,035,180,470,338,832
  5. Step 5: Solve for x
    x = 93,035,180,470,338,832/449,023,757.53
  6. Step 6: Final answer
    x = 207,194,338.63

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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.