Home / 215,780,458.10-323,670,687.15-214,436,765.30

Finding the Fourth Proportional to 215,780,458.10, 323,670,687.15 and 214,436,765.30

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Solution

The fourth proportional to 215,780,458.10, 323,670,687.15 and 214,436,765.30 is: 321,655,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,780,458.10 : 323,670,687.15 = 214,436,765.30 : x
  2. Step 2: Convert to fraction form
    215,780,458.10/323,670,687.15 = 214,436,765.30/x
  3. Step 3: Cross multiply
    215,780,458.10x = 323,670,687.15 × 214,436,765.30
  4. Step 4: Simplify right side
    215,780,458.10x = 69,406,895,174,874,272
  5. Step 5: Solve for x
    x = 69,406,895,174,874,272/215,780,458.10
  6. Step 6: Final answer
    x = 321,655,147.95

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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.