Home / 111,122,164.20-166,872,203.10-82,400,730.60

Finding the Fourth Proportional to 111,122,164.20, 166,872,203.10 and 82,400,730.60

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Solution

The fourth proportional to 111,122,164.20, 166,872,203.10 and 82,400,730.60 is: 123,741,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,122,164.20 : 166,872,203.10 = 82,400,730.60 : x
  2. Step 2: Convert to fraction form
    111,122,164.20/166,872,203.10 = 82,400,730.60/x
  3. Step 3: Cross multiply
    111,122,164.20x = 166,872,203.10 × 82,400,730.60
  4. Step 4: Simplify right side
    111,122,164.20x = 13,750,391,452,271,584
  5. Step 5: Solve for x
    x = 13,750,391,452,271,584/111,122,164.20
  6. Step 6: Final answer
    x = 123,741,213.57

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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.