Home / 214,819,319.40-322,228,979.10-193,320,234.60

Finding the Fourth Proportional to 214,819,319.40, 322,228,979.10 and 193,320,234.60

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Solution

The fourth proportional to 214,819,319.40, 322,228,979.10 and 193,320,234.60 is: 289,980,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,819,319.40 : 322,228,979.10 = 193,320,234.60 : x
  2. Step 2: Convert to fraction form
    214,819,319.40/322,228,979.10 = 193,320,234.60/x
  3. Step 3: Cross multiply
    214,819,319.40x = 322,228,979.10 × 193,320,234.60
  4. Step 4: Simplify right side
    214,819,319.40x = 62,293,381,834,530,496
  5. Step 5: Solve for x
    x = 62,293,381,834,530,496/214,819,319.40
  6. Step 6: Final answer
    x = 289,980,351.90

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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.