Home / 213,192,680.40-319,789,020.60-197,887,179.60

Finding the Fourth Proportional to 213,192,680.40, 319,789,020.60 and 197,887,179.60

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Solution

The fourth proportional to 213,192,680.40, 319,789,020.60 and 197,887,179.60 is: 296,830,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192,680.40 : 319,789,020.60 = 197,887,179.60 : x
  2. Step 2: Convert to fraction form
    213,192,680.40/319,789,020.60 = 197,887,179.60/x
  3. Step 3: Cross multiply
    213,192,680.40x = 319,789,020.60 × 197,887,179.60
  4. Step 4: Simplify right side
    213,192,680.40x = 63,282,147,353,580,304
  5. Step 5: Solve for x
    x = 63,282,147,353,580,304/213,192,680.40
  6. Step 6: Final answer
    x = 296,830,769.40

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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.