Home / 248,361,729.05-342,723,743.15-136,846,329.35

Finding the Fourth Proportional to 248,361,729.05, 342,723,743.15 and 136,846,329.35

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Solution

The fourth proportional to 248,361,729.05, 342,723,743.15 and 136,846,329.35 is: 188,839,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,361,729.05 : 342,723,743.15 = 136,846,329.35 : x
  2. Step 2: Convert to fraction form
    248,361,729.05/342,723,743.15 = 136,846,329.35/x
  3. Step 3: Cross multiply
    248,361,729.05x = 342,723,743.15 × 136,846,329.35
  4. Step 4: Simplify right side
    248,361,729.05x = 46,900,486,230,228,128
  5. Step 5: Solve for x
    x = 46,900,486,230,228,128/248,361,729.05
  6. Step 6: Final answer
    x = 188,839,425.50

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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.