Home / 248,361,729.92-342,723,744.35-136,846,330.22

Finding the Fourth Proportional to 248,361,729.92, 342,723,744.35 and 136,846,330.22

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Solution

The fourth proportional to 248,361,729.92, 342,723,744.35 and 136,846,330.22 is: 188,839,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,361,729.92 : 342,723,744.35 = 136,846,330.22 : x
  2. Step 2: Convert to fraction form
    248,361,729.92/342,723,744.35 = 136,846,330.22/x
  3. Step 3: Cross multiply
    248,361,729.92x = 342,723,744.35 × 136,846,330.22
  4. Step 4: Simplify right side
    248,361,729.92x = 46,900,486,693,554,960
  5. Step 5: Solve for x
    x = 46,900,486,693,554,960/248,361,729.92
  6. Step 6: Final answer
    x = 188,839,426.71

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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.