Home / 82,250,850.78-113,507,415.45-45,080,833.68

Finding the Fourth Proportional to 82,250,850.78, 113,507,415.45 and 45,080,833.68

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Solution

The fourth proportional to 82,250,850.78, 113,507,415.45 and 45,080,833.68 is: 62,212,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,250,850.78 : 113,507,415.45 = 45,080,833.68 : x
  2. Step 2: Convert to fraction form
    82,250,850.78/113,507,415.45 = 45,080,833.68/x
  3. Step 3: Cross multiply
    82,250,850.78x = 113,507,415.45 × 45,080,833.68
  4. Step 4: Simplify right side
    82,250,850.78x = 5,117,008,917,348,112
  5. Step 5: Solve for x
    x = 5,117,008,917,348,112/82,250,850.78
  6. Step 6: Final answer
    x = 62,212,230.86

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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.