Home / 212,846,829.65-319,433,202.31-96,344,001.15

Finding the Fourth Proportional to 212,846,829.65, 319,433,202.31 and 96,344,001.15

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Solution

The fourth proportional to 212,846,829.65, 319,433,202.31 and 96,344,001.15 is: 144,589,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,846,829.65 : 319,433,202.31 = 96,344,001.15 : x
  2. Step 2: Convert to fraction form
    212,846,829.65/319,433,202.31 = 96,344,001.15/x
  3. Step 3: Cross multiply
    212,846,829.65x = 319,433,202.31 × 96,344,001.15
  4. Step 4: Simplify right side
    212,846,829.65x = 30,775,472,810,702,824
  5. Step 5: Solve for x
    x = 30,775,472,810,702,824/212,846,829.65
  6. Step 6: Final answer
    x = 144,589,763.73

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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.