Home / 213,048,207.80-319,572,311.70-204,687,452.60

Finding the Fourth Proportional to 213,048,207.80, 319,572,311.70 and 204,687,452.60

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Solution

The fourth proportional to 213,048,207.80, 319,572,311.70 and 204,687,452.60 is: 307,031,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048,207.80 : 319,572,311.70 = 204,687,452.60 : x
  2. Step 2: Convert to fraction form
    213,048,207.80/319,572,311.70 = 204,687,452.60/x
  3. Step 3: Cross multiply
    213,048,207.80x = 319,572,311.70 × 204,687,452.60
  4. Step 4: Simplify right side
    213,048,207.80x = 65,412,442,403,366,168
  5. Step 5: Solve for x
    x = 65,412,442,403,366,168/213,048,207.80
  6. Step 6: Final answer
    x = 307,031,178.90

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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.