Home / 307,659,874.89-461,563,229.60-100,398,671.14

Finding the Fourth Proportional to 307,659,874.89, 461,563,229.60 and 100,398,671.14

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Solution

The fourth proportional to 307,659,874.89, 461,563,229.60 and 100,398,671.14 is: 150,621,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,659,874.89 : 461,563,229.60 = 100,398,671.14 : x
  2. Step 2: Convert to fraction form
    307,659,874.89/461,563,229.60 = 100,398,671.14/x
  3. Step 3: Cross multiply
    307,659,874.89x = 461,563,229.60 × 100,398,671.14
  4. Step 4: Simplify right side
    307,659,874.89x = 46,340,334,900,739,344
  5. Step 5: Solve for x
    x = 46,340,334,900,739,344/307,659,874.89
  6. Step 6: Final answer
    x = 150,621,964.98

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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.