Home / 82,513,205.78-113,820,807.78-51,519,566.66

Finding the Fourth Proportional to 82,513,205.78, 113,820,807.78 and 51,519,566.66

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Solution

The fourth proportional to 82,513,205.78, 113,820,807.78 and 51,519,566.66 is: 71,067,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,513,205.78 : 113,820,807.78 = 51,519,566.66 : x
  2. Step 2: Convert to fraction form
    82,513,205.78/113,820,807.78 = 51,519,566.66/x
  3. Step 3: Cross multiply
    82,513,205.78x = 113,820,807.78 × 51,519,566.66
  4. Step 4: Simplify right side
    82,513,205.78x = 5,863,998,693,147,653
  5. Step 5: Solve for x
    x = 5,863,998,693,147,653/82,513,205.78
  6. Step 6: Final answer
    x = 71,067,396.28

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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.