Home / 248,361,729.43-342,723,743.67-136,846,329.73

Finding the Fourth Proportional to 248,361,729.43, 342,723,743.67 and 136,846,329.73

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Solution

The fourth proportional to 248,361,729.43, 342,723,743.67 and 136,846,329.73 is: 188,839,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,361,729.43 : 342,723,743.67 = 136,846,329.73 : x
  2. Step 2: Convert to fraction form
    248,361,729.43/342,723,743.67 = 136,846,329.73/x
  3. Step 3: Cross multiply
    248,361,729.43x = 342,723,743.67 × 136,846,329.73
  4. Step 4: Simplify right side
    248,361,729.43x = 46,900,486,430,166,968
  5. Step 5: Solve for x
    x = 46,900,486,430,166,968/248,361,729.43
  6. Step 6: Final answer
    x = 188,839,426.02

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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.