Home / 248,458,020.40-372,683,531.40-112,143,185.20

Finding the Fourth Proportional to 248,458,020.40, 372,683,531.40 and 112,143,185.20

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Solution

The fourth proportional to 248,458,020.40, 372,683,531.40 and 112,143,185.20 is: 168,213,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,458,020.40 : 372,683,531.40 = 112,143,185.20 : x
  2. Step 2: Convert to fraction form
    248,458,020.40/372,683,531.40 = 112,143,185.20/x
  3. Step 3: Cross multiply
    248,458,020.40x = 372,683,531.40 × 112,143,185.20
  4. Step 4: Simplify right side
    248,458,020.40x = 41,793,918,282,780,216
  5. Step 5: Solve for x
    x = 41,793,918,282,780,216/248,458,020.40
  6. Step 6: Final answer
    x = 168,213,198.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.