Home / 205,311,375-283,259,946.78-117,142,032.60

Finding the Fourth Proportional to 205,311,375, 283,259,946.78 and 117,142,032.60

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Solution

The fourth proportional to 205,311,375, 283,259,946.78 and 117,142,032.60 is: 161,616,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311,375 : 283,259,946.78 = 117,142,032.60 : x
  2. Step 2: Convert to fraction form
    205,311,375/283,259,946.78 = 117,142,032.60/x
  3. Step 3: Cross multiply
    205,311,375x = 283,259,946.78 × 117,142,032.60
  4. Step 4: Simplify right side
    205,311,375x = 33,181,645,919,977,020
  5. Step 5: Solve for x
    x = 33,181,645,919,977,020/205,311,375
  6. Step 6: Final answer
    x = 161,616,208.16

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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.