Home / 213,171,606.20-319,757,409.30-210,301,824.80

Finding the Fourth Proportional to 213,171,606.20, 319,757,409.30 and 210,301,824.80

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Solution

The fourth proportional to 213,171,606.20, 319,757,409.30 and 210,301,824.80 is: 315,452,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,171,606.20 : 319,757,409.30 = 210,301,824.80 : x
  2. Step 2: Convert to fraction form
    213,171,606.20/319,757,409.30 = 210,301,824.80/x
  3. Step 3: Cross multiply
    213,171,606.20x = 319,757,409.30 × 210,301,824.80
  4. Step 4: Simplify right side
    213,171,606.20x = 67,245,566,669,110,496
  5. Step 5: Solve for x
    x = 67,245,566,669,110,496/213,171,606.20
  6. Step 6: Final answer
    x = 315,452,737.20

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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.