Home / 299,448,217.80-449,172,326.70-72,513,433.80

Finding the Fourth Proportional to 299,448,217.80, 449,172,326.70 and 72,513,433.80

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Solution

The fourth proportional to 299,448,217.80, 449,172,326.70 and 72,513,433.80 is: 108,770,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,217.80 : 449,172,326.70 = 72,513,433.80 : x
  2. Step 2: Convert to fraction form
    299,448,217.80/449,172,326.70 = 72,513,433.80/x
  3. Step 3: Cross multiply
    299,448,217.80x = 449,172,326.70 × 72,513,433.80
  4. Step 4: Simplify right side
    299,448,217.80x = 32,571,027,776,952,420
  5. Step 5: Solve for x
    x = 32,571,027,776,952,420/299,448,217.80
  6. Step 6: Final answer
    x = 108,770,150.70

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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.