Home / 171,100,998.80-256,620,005.40-106,288,816.40

Finding the Fourth Proportional to 171,100,998.80, 256,620,005.40 and 106,288,816.40

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Solution

The fourth proportional to 171,100,998.80, 256,620,005.40 and 106,288,816.40 is: 159,413,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,100,998.80 : 256,620,005.40 = 106,288,816.40 : x
  2. Step 2: Convert to fraction form
    171,100,998.80/256,620,005.40 = 106,288,816.40/x
  3. Step 3: Cross multiply
    171,100,998.80x = 256,620,005.40 × 106,288,816.40
  4. Step 4: Simplify right side
    171,100,998.80x = 27,275,836,638,527,612
  5. Step 5: Solve for x
    x = 27,275,836,638,527,612/171,100,998.80
  6. Step 6: Final answer
    x = 159,413,661.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.