Home / 205,311,376.25-283,259,948.51-117,142,033.85

Finding the Fourth Proportional to 205,311,376.25, 283,259,948.51 and 117,142,033.85

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Solution

The fourth proportional to 205,311,376.25, 283,259,948.51 and 117,142,033.85 is: 161,616,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311,376.25 : 283,259,948.51 = 117,142,033.85 : x
  2. Step 2: Convert to fraction form
    205,311,376.25/283,259,948.51 = 117,142,033.85/x
  3. Step 3: Cross multiply
    205,311,376.25x = 283,259,948.51 × 117,142,033.85
  4. Step 4: Simplify right side
    205,311,376.25x = 33,181,646,476,121,964
  5. Step 5: Solve for x
    x = 33,181,646,476,121,964/205,311,376.25
  6. Step 6: Final answer
    x = 161,616,209.89

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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.