Home / 261,699,137.48-361,081,383.44-148,643,479.82

Finding the Fourth Proportional to 261,699,137.48, 361,081,383.44 and 148,643,479.82

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Solution

The fourth proportional to 261,699,137.48, 361,081,383.44 and 148,643,479.82 is: 205,091,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,699,137.48 : 361,081,383.44 = 148,643,479.82 : x
  2. Step 2: Convert to fraction form
    261,699,137.48/361,081,383.44 = 148,643,479.82/x
  3. Step 3: Cross multiply
    261,699,137.48x = 361,081,383.44 × 148,643,479.82
  4. Step 4: Simplify right side
    261,699,137.48x = 53,672,393,332,741,320
  5. Step 5: Solve for x
    x = 53,672,393,332,741,320/261,699,137.48
  6. Step 6: Final answer
    x = 205,091,976.42

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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.