Home / 79,988,172.30-110,392,655.49-45,183,104.78

Finding the Fourth Proportional to 79,988,172.30, 110,392,655.49 and 45,183,104.78

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Solution

The fourth proportional to 79,988,172.30, 110,392,655.49 and 45,183,104.78 is: 62,357,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988,172.30 : 110,392,655.49 = 45,183,104.78 : x
  2. Step 2: Convert to fraction form
    79,988,172.30/110,392,655.49 = 45,183,104.78/x
  3. Step 3: Cross multiply
    79,988,172.30x = 110,392,655.49 × 45,183,104.78
  4. Step 4: Simplify right side
    79,988,172.30x = 4,987,882,919,395,149
  5. Step 5: Solve for x
    x = 4,987,882,919,395,149/79,988,172.30
  6. Step 6: Final answer
    x = 62,357,755.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.