Home / 213,355,327.30-320,032,990.95-204,397,375.30

Finding the Fourth Proportional to 213,355,327.30, 320,032,990.95 and 204,397,375.30

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Solution

The fourth proportional to 213,355,327.30, 320,032,990.95 and 204,397,375.30 is: 306,596,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,355,327.30 : 320,032,990.95 = 204,397,375.30 : x
  2. Step 2: Convert to fraction form
    213,355,327.30/320,032,990.95 = 204,397,375.30/x
  3. Step 3: Cross multiply
    213,355,327.30x = 320,032,990.95 × 204,397,375.30
  4. Step 4: Simplify right side
    213,355,327.30x = 65,413,903,359,588,656
  5. Step 5: Solve for x
    x = 65,413,903,359,588,656/213,355,327.30
  6. Step 6: Final answer
    x = 306,596,062.95

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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.