Home / 248,361,730.52-342,723,745.21-136,846,330.83

Finding the Fourth Proportional to 248,361,730.52, 342,723,745.21 and 136,846,330.83

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Solution

The fourth proportional to 248,361,730.52, 342,723,745.21 and 136,846,330.83 is: 188,839,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,361,730.52 : 342,723,745.21 = 136,846,330.83 : x
  2. Step 2: Convert to fraction form
    248,361,730.52/342,723,745.21 = 136,846,330.83/x
  3. Step 3: Cross multiply
    248,361,730.52x = 342,723,745.21 × 136,846,330.83
  4. Step 4: Simplify right side
    248,361,730.52x = 46,900,487,020,304,288
  5. Step 5: Solve for x
    x = 46,900,487,020,304,288/248,361,730.52
  6. Step 6: Final answer
    x = 188,839,427.56

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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.