Home / 248,455,792.05-342,853,394.32-136,940,496.20

Finding the Fourth Proportional to 248,455,792.05, 342,853,394.32 and 136,940,496.20

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Solution

The fourth proportional to 248,455,792.05, 342,853,394.32 and 136,940,496.20 is: 188,969,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,455,792.05 : 342,853,394.32 = 136,940,496.20 : x
  2. Step 2: Convert to fraction form
    248,455,792.05/342,853,394.32 = 136,940,496.20/x
  3. Step 3: Cross multiply
    248,455,792.05x = 342,853,394.32 × 136,940,496.20
  4. Step 4: Simplify right side
    248,455,792.05x = 46,950,513,942,035,056
  5. Step 5: Solve for x
    x = 46,950,513,942,035,056/248,455,792.05
  6. Step 6: Final answer
    x = 188,969,287.27

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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.