Home / 299,642,865.06-449,454,166.92-105,549,207.88

Finding the Fourth Proportional to 299,642,865.06, 449,454,166.92 and 105,549,207.88

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Solution

The fourth proportional to 299,642,865.06, 449,454,166.92 and 105,549,207.88 is: 158,320,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,642,865.06 : 449,454,166.92 = 105,549,207.88 : x
  2. Step 2: Convert to fraction form
    299,642,865.06/449,454,166.92 = 105,549,207.88/x
  3. Step 3: Cross multiply
    299,642,865.06x = 449,454,166.92 × 105,549,207.88
  4. Step 4: Simplify right side
    299,642,865.06x = 47,439,531,296,771,296
  5. Step 5: Solve for x
    x = 47,439,531,296,771,296/299,642,865.06
  6. Step 6: Final answer
    x = 158,320,243.29

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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.