Home / 419,871,774.30-629,765,138.07-113,194,887.90

Finding the Fourth Proportional to 419,871,774.30, 629,765,138.07 and 113,194,887.90

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Solution

The fourth proportional to 419,871,774.30, 629,765,138.07 and 113,194,887.90 is: 169,780,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,871,774.30 : 629,765,138.07 = 113,194,887.90 : x
  2. Step 2: Convert to fraction form
    419,871,774.30/629,765,138.07 = 113,194,887.90/x
  3. Step 3: Cross multiply
    419,871,774.30x = 629,765,138.07 × 113,194,887.90
  4. Step 4: Simplify right side
    419,871,774.30x = 71,286,194,207,161,680
  5. Step 5: Solve for x
    x = 71,286,194,207,161,680/419,871,774.30
  6. Step 6: Final answer
    x = 169,780,867.80

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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.