Home / 200,084,760.14-276,145,967.75-115,295,383.18

Finding the Fourth Proportional to 200,084,760.14, 276,145,967.75 and 115,295,383.18

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Solution

The fourth proportional to 200,084,760.14, 276,145,967.75 and 115,295,383.18 is: 159,124,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,084,760.14 : 276,145,967.75 = 115,295,383.18 : x
  2. Step 2: Convert to fraction form
    200,084,760.14/276,145,967.75 = 115,295,383.18/x
  3. Step 3: Cross multiply
    200,084,760.14x = 276,145,967.75 × 115,295,383.18
  4. Step 4: Simplify right side
    200,084,760.14x = 31,838,355,165,348,176
  5. Step 5: Solve for x
    x = 31,838,355,165,348,176/200,084,760.14
  6. Step 6: Final answer
    x = 159,124,338.82

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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.