Home / 231,278,914.23-319,236,369.51-148,772,698.98

Finding the Fourth Proportional to 231,278,914.23, 319,236,369.51 and 148,772,698.98

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Solution

The fourth proportional to 231,278,914.23, 319,236,369.51 and 148,772,698.98 is: 205,352,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,278,914.23 : 319,236,369.51 = 148,772,698.98 : x
  2. Step 2: Convert to fraction form
    231,278,914.23/319,236,369.51 = 148,772,698.98/x
  3. Step 3: Cross multiply
    231,278,914.23x = 319,236,369.51 × 148,772,698.98
  4. Step 4: Simplify right side
    231,278,914.23x = 47,493,656,304,579,272
  5. Step 5: Solve for x
    x = 47,493,656,304,579,272/231,278,914.23
  6. Step 6: Final answer
    x = 205,352,297.09

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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.