Home / 248,407,730.96-342,805,013.28-136,902,650.22

Finding the Fourth Proportional to 248,407,730.96, 342,805,013.28 and 136,902,650.22

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Solution

The fourth proportional to 248,407,730.96, 342,805,013.28 and 136,902,650.22 is: 188,926,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,407,730.96 : 342,805,013.28 = 136,902,650.22 : x
  2. Step 2: Convert to fraction form
    248,407,730.96/342,805,013.28 = 136,902,650.22/x
  3. Step 3: Cross multiply
    248,407,730.96x = 342,805,013.28 × 136,902,650.22
  4. Step 4: Simplify right side
    248,407,730.96x = 46,930,914,826,734,288
  5. Step 5: Solve for x
    x = 46,930,914,826,734,288/248,407,730.96
  6. Step 6: Final answer
    x = 188,926,949.44

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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.