Home / 200,786,798.12-301,194,032.85-84,084,651.95

Finding the Fourth Proportional to 200,786,798.12, 301,194,032.85 and 84,084,651.95

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Solution

The fourth proportional to 200,786,798.12, 301,194,032.85 and 84,084,651.95 is: 126,132,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,786,798.12 : 301,194,032.85 = 84,084,651.95 : x
  2. Step 2: Convert to fraction form
    200,786,798.12/301,194,032.85 = 84,084,651.95/x
  3. Step 3: Cross multiply
    200,786,798.12x = 301,194,032.85 × 84,084,651.95
  4. Step 4: Simplify right side
    200,786,798.12x = 25,325,795,420,103,148
  5. Step 5: Solve for x
    x = 25,325,795,420,103,148/200,786,798.12
  6. Step 6: Final answer
    x = 126,132,771.96

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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.