Home / 213,192,004.80-319,788,007.20-92,023,456.80

Finding the Fourth Proportional to 213,192,004.80, 319,788,007.20 and 92,023,456.80

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Solution

The fourth proportional to 213,192,004.80, 319,788,007.20 and 92,023,456.80 is: 138,035,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192,004.80 : 319,788,007.20 = 92,023,456.80 : x
  2. Step 2: Convert to fraction form
    213,192,004.80/319,788,007.20 = 92,023,456.80/x
  3. Step 3: Cross multiply
    213,192,004.80x = 319,788,007.20 × 92,023,456.80
  4. Step 4: Simplify right side
    213,192,004.80x = 29,427,997,865,727,288
  5. Step 5: Solve for x
    x = 29,427,997,865,727,288/213,192,004.80
  6. Step 6: Final answer
    x = 138,035,185.20

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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.