Home / 305,313,766.98-421,332,679.62-166,084,196.64

Finding the Fourth Proportional to 305,313,766.98, 421,332,679.62 and 166,084,196.64

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Solution

The fourth proportional to 305,313,766.98, 421,332,679.62 and 166,084,196.64 is: 229,196,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,313,766.98 : 421,332,679.62 = 166,084,196.64 : x
  2. Step 2: Convert to fraction form
    305,313,766.98/421,332,679.62 = 166,084,196.64/x
  3. Step 3: Cross multiply
    305,313,766.98x = 421,332,679.62 × 166,084,196.64
  4. Step 4: Simplify right side
    305,313,766.98x = 69,976,699,612,866,192
  5. Step 5: Solve for x
    x = 69,976,699,612,866,192/305,313,766.98
  6. Step 6: Final answer
    x = 229,196,017.94

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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.