Home / 213,192,605.40-319,788,908.10-197,887,104.60

Finding the Fourth Proportional to 213,192,605.40, 319,788,908.10 and 197,887,104.60

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Solution

The fourth proportional to 213,192,605.40, 319,788,908.10 and 197,887,104.60 is: 296,830,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192,605.40 : 319,788,908.10 = 197,887,104.60 : x
  2. Step 2: Convert to fraction form
    213,192,605.40/319,788,908.10 = 197,887,104.60/x
  3. Step 3: Cross multiply
    213,192,605.40x = 319,788,908.10 × 197,887,104.60
  4. Step 4: Simplify right side
    213,192,605.40x = 63,282,101,107,104,488
  5. Step 5: Solve for x
    x = 63,282,101,107,104,488/213,192,605.40
  6. Step 6: Final answer
    x = 296,830,656.90

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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.