Home / 299,448,000.30-449,172,000.45-72,513,216.30

Finding the Fourth Proportional to 299,448,000.30, 449,172,000.45 and 72,513,216.30

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Solution

The fourth proportional to 299,448,000.30, 449,172,000.45 and 72,513,216.30 is: 108,769,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,000.30 : 449,172,000.45 = 72,513,216.30 : x
  2. Step 2: Convert to fraction form
    299,448,000.30/449,172,000.45 = 72,513,216.30/x
  3. Step 3: Cross multiply
    299,448,000.30x = 449,172,000.45 × 72,513,216.30
  4. Step 4: Simplify right side
    299,448,000.30x = 32,570,906,424,534,544
  5. Step 5: Solve for x
    x = 32,570,906,424,534,544/299,448,000.30
  6. Step 6: Final answer
    x = 108,769,824.45

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1.5x scale

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.