Home / 82,199,891.58-113,435,987.14-45,029,361.49

Finding the Fourth Proportional to 82,199,891.58, 113,435,987.14 and 45,029,361.49

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Solution

The fourth proportional to 82,199,891.58, 113,435,987.14 and 45,029,361.49 is: 62,140,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,199,891.58 : 113,435,987.14 = 45,029,361.49 : x
  2. Step 2: Convert to fraction form
    82,199,891.58/113,435,987.14 = 45,029,361.49/x
  3. Step 3: Cross multiply
    82,199,891.58x = 113,435,987.14 × 45,029,361.49
  4. Step 4: Simplify right side
    82,199,891.58x = 5,107,950,071,059,760
  5. Step 5: Solve for x
    x = 5,107,950,071,059,760/82,199,891.58
  6. Step 6: Final answer
    x = 62,140,593.78

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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.