Home / 248,025,019.57-342,100,267.45-163,225,120.48

Finding the Fourth Proportional to 248,025,019.57, 342,100,267.45 and 163,225,120.48

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Solution

The fourth proportional to 248,025,019.57, 342,100,267.45 and 163,225,120.48 is: 225,135,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,025,019.57 : 342,100,267.45 = 163,225,120.48 : x
  2. Step 2: Convert to fraction form
    248,025,019.57/342,100,267.45 = 163,225,120.48/x
  3. Step 3: Cross multiply
    248,025,019.57x = 342,100,267.45 × 163,225,120.48
  4. Step 4: Simplify right side
    248,025,019.57x = 55,839,357,370,766,464
  5. Step 5: Solve for x
    x = 55,839,357,370,766,464/248,025,019.57
  6. Step 6: Final answer
    x = 225,135,986.15

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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.