Home / 248,343,481.39-342,721,769.27-142,516,257.25

Finding the Fourth Proportional to 248,343,481.39, 342,721,769.27 and 142,516,257.25

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Solution

The fourth proportional to 248,343,481.39, 342,721,769.27 and 142,516,257.25 is: 196,676,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,343,481.39 : 342,721,769.27 = 142,516,257.25 : x
  2. Step 2: Convert to fraction form
    248,343,481.39/342,721,769.27 = 142,516,257.25/x
  3. Step 3: Cross multiply
    248,343,481.39x = 342,721,769.27 × 142,516,257.25
  4. Step 4: Simplify right side
    248,343,481.39x = 48,843,423,834,458,464
  5. Step 5: Solve for x
    x = 48,843,423,834,458,464/248,343,481.39
  6. Step 6: Final answer
    x = 196,676,891.06

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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.