Home / 200,786,830.88-301,194,082.12-84,084,684.80

Finding the Fourth Proportional to 200,786,830.88, 301,194,082.12 and 84,084,684.80

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Solution

The fourth proportional to 200,786,830.88, 301,194,082.12 and 84,084,684.80 is: 126,132,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,786,830.88 : 301,194,082.12 = 84,084,684.80 : x
  2. Step 2: Convert to fraction form
    200,786,830.88/301,194,082.12 = 84,084,684.80/x
  3. Step 3: Cross multiply
    200,786,830.88x = 301,194,082.12 × 84,084,684.80
  4. Step 4: Simplify right side
    200,786,830.88x = 25,325,809,458,685,516
  5. Step 5: Solve for x
    x = 25,325,809,458,685,516/200,786,830.88
  6. Step 6: Final answer
    x = 126,132,821.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.