Home / 73,155,747.12-109,733,987.36-18,568,348.88

Finding the Fourth Proportional to 73,155,747.12, 109,733,987.36 and 18,568,348.88

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Solution

The fourth proportional to 73,155,747.12, 109,733,987.36 and 18,568,348.88 is: 27,852,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,155,747.12 : 109,733,987.36 = 18,568,348.88 : x
  2. Step 2: Convert to fraction form
    73,155,747.12/109,733,987.36 = 18,568,348.88/x
  3. Step 3: Cross multiply
    73,155,747.12x = 109,733,987.36 × 18,568,348.88
  4. Step 4: Simplify right side
    73,155,747.12x = 2,037,578,961,293,990
  5. Step 5: Solve for x
    x = 2,037,578,961,293,990/73,155,747.12
  6. Step 6: Final answer
    x = 27,852,616.39

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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.