Home / 205,619,395.67-283,753,086.55-111,533,307.09

Finding the Fourth Proportional to 205,619,395.67, 283,753,086.55 and 111,533,307.09

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Solution

The fourth proportional to 205,619,395.67, 283,753,086.55 and 111,533,307.09 is: 153,915,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,619,395.67 : 283,753,086.55 = 111,533,307.09 : x
  2. Step 2: Convert to fraction form
    205,619,395.67/283,753,086.55 = 111,533,307.09/x
  3. Step 3: Cross multiply
    205,619,395.67x = 283,753,086.55 × 111,533,307.09
  4. Step 4: Simplify right side
    205,619,395.67x = 31,647,920,137,940,068
  5. Step 5: Solve for x
    x = 31,647,920,137,940,068/205,619,395.67
  6. Step 6: Final answer
    x = 153,915,052.79

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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.