Home / 248,753,979.60-343,281,678.66-137,244,813.36

Finding the Fourth Proportional to 248,753,979.60, 343,281,678.66 and 137,244,813.36

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Solution

The fourth proportional to 248,753,979.60, 343,281,678.66 and 137,244,813.36 is: 189,398,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,753,979.60 : 343,281,678.66 = 137,244,813.36 : x
  2. Step 2: Convert to fraction form
    248,753,979.60/343,281,678.66 = 137,244,813.36/x
  3. Step 3: Cross multiply
    248,753,979.60x = 343,281,678.66 × 137,244,813.36
  4. Step 4: Simplify right side
    248,753,979.60x = 47,113,629,917,599,200
  5. Step 5: Solve for x
    x = 47,113,629,917,599,200/248,753,979.60
  6. Step 6: Final answer
    x = 189,398,497.24

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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.