Home / 213,048,230.80-319,572,346.20-204,687,475.60

Finding the Fourth Proportional to 213,048,230.80, 319,572,346.20 and 204,687,475.60

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Solution

The fourth proportional to 213,048,230.80, 319,572,346.20 and 204,687,475.60 is: 307,031,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048,230.80 : 319,572,346.20 = 204,687,475.60 : x
  2. Step 2: Convert to fraction form
    213,048,230.80/319,572,346.20 = 204,687,475.60/x
  3. Step 3: Cross multiply
    213,048,230.80x = 319,572,346.20 × 204,687,475.60
  4. Step 4: Simplify right side
    213,048,230.80x = 65,412,456,815,247,248
  5. Step 5: Solve for x
    x = 65,412,456,815,247,248/213,048,230.80
  6. Step 6: Final answer
    x = 307,031,213.40

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1.5x scale

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.