Home / 231,296,260.21-319,137,205.48-137,162,572.65

Finding the Fourth Proportional to 231,296,260.21, 319,137,205.48 and 137,162,572.65

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Solution

The fourth proportional to 231,296,260.21, 319,137,205.48 and 137,162,572.65 is: 189,253,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,296,260.21 : 319,137,205.48 = 137,162,572.65 : x
  2. Step 2: Convert to fraction form
    231,296,260.21/319,137,205.48 = 137,162,572.65/x
  3. Step 3: Cross multiply
    231,296,260.21x = 319,137,205.48 × 137,162,572.65
  4. Step 4: Simplify right side
    231,296,260.21x = 43,773,680,131,625,576
  5. Step 5: Solve for x
    x = 43,773,680,131,625,576/231,296,260.21
  6. Step 6: Final answer
    x = 189,253,730.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.