Home / 419,914,523.20-629,871,784.80-132,700,187.20

Finding the Fourth Proportional to 419,914,523.20, 629,871,784.80 and 132,700,187.20

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Solution

The fourth proportional to 419,914,523.20, 629,871,784.80 and 132,700,187.20 is: 199,050,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,914,523.20 : 629,871,784.80 = 132,700,187.20 : x
  2. Step 2: Convert to fraction form
    419,914,523.20/629,871,784.80 = 132,700,187.20/x
  3. Step 3: Cross multiply
    419,914,523.20x = 629,871,784.80 × 132,700,187.20
  4. Step 4: Simplify right side
    419,914,523.20x = 83,584,103,754,958,112
  5. Step 5: Solve for x
    x = 83,584,103,754,958,112/419,914,523.20
  6. Step 6: Final answer
    x = 199,050,280.80

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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.