Home / 171,101,128.80-256,620,200.40-106,288,946.40

Finding the Fourth Proportional to 171,101,128.80, 256,620,200.40 and 106,288,946.40

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Solution

The fourth proportional to 171,101,128.80, 256,620,200.40 and 106,288,946.40 is: 159,413,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,101,128.80 : 256,620,200.40 = 106,288,946.40 : x
  2. Step 2: Convert to fraction form
    171,101,128.80/256,620,200.40 = 106,288,946.40/x
  3. Step 3: Cross multiply
    171,101,128.80x = 256,620,200.40 × 106,288,946.40
  4. Step 4: Simplify right side
    171,101,128.80x = 27,275,890,725,472,860
  5. Step 5: Solve for x
    x = 27,275,890,725,472,860/171,101,128.80
  6. Step 6: Final answer
    x = 159,413,856.10

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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.