Home / 219,433,234.90-329,149,852.35-199,344,765.10

Finding the Fourth Proportional to 219,433,234.90, 329,149,852.35 and 199,344,765.10

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Solution

The fourth proportional to 219,433,234.90, 329,149,852.35 and 199,344,765.10 is: 299,017,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433,234.90 : 329,149,852.35 = 199,344,765.10 : x
  2. Step 2: Convert to fraction form
    219,433,234.90/329,149,852.35 = 199,344,765.10/x
  3. Step 3: Cross multiply
    219,433,234.90x = 329,149,852.35 × 199,344,765.10
  4. Step 4: Simplify right side
    219,433,234.90x = 65,614,299,999,410,432
  5. Step 5: Solve for x
    x = 65,614,299,999,410,432/219,433,234.90
  6. Step 6: Final answer
    x = 299,017,147.65

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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.