Home / 248,025,021.07-342,100,269.52-163,225,121.98

Finding the Fourth Proportional to 248,025,021.07, 342,100,269.52 and 163,225,121.98

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Solution

The fourth proportional to 248,025,021.07, 342,100,269.52 and 163,225,121.98 is: 225,135,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,025,021.07 : 342,100,269.52 = 163,225,121.98 : x
  2. Step 2: Convert to fraction form
    248,025,021.07/342,100,269.52 = 163,225,121.98/x
  3. Step 3: Cross multiply
    248,025,021.07x = 342,100,269.52 × 163,225,121.98
  4. Step 4: Simplify right side
    248,025,021.07x = 55,839,358,221,792,872
  5. Step 5: Solve for x
    x = 55,839,358,221,792,872/248,025,021.07
  6. Step 6: Final answer
    x = 225,135,988.22

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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.