Home / 110,824,170.40-166,404,217.20-85,294,007.20

Finding the Fourth Proportional to 110,824,170.40, 166,404,217.20 and 85,294,007.20

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Solution

The fourth proportional to 110,824,170.40, 166,404,217.20 and 85,294,007.20 is: 128,070,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,824,170.40 : 166,404,217.20 = 85,294,007.20 : x
  2. Step 2: Convert to fraction form
    110,824,170.40/166,404,217.20 = 85,294,007.20/x
  3. Step 3: Cross multiply
    110,824,170.40x = 166,404,217.20 × 85,294,007.20
  4. Step 4: Simplify right side
    110,824,170.40x = 14,193,282,499,967,164
  5. Step 5: Solve for x
    x = 14,193,282,499,967,164/110,824,170.40
  6. Step 6: Final answer
    x = 128,070,279.69

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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.