Home / 110,969,980.80-166,454,971.20-39,173,654.40

Finding the Fourth Proportional to 110,969,980.80, 166,454,971.20 and 39,173,654.40

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Solution

The fourth proportional to 110,969,980.80, 166,454,971.20 and 39,173,654.40 is: 58,760,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,969,980.80 : 166,454,971.20 = 39,173,654.40 : x
  2. Step 2: Convert to fraction form
    110,969,980.80/166,454,971.20 = 39,173,654.40/x
  3. Step 3: Cross multiply
    110,969,980.80x = 166,454,971.20 × 39,173,654.40
  4. Step 4: Simplify right side
    110,969,980.80x = 6,520,649,514,950,753
  5. Step 5: Solve for x
    x = 6,520,649,514,950,753/110,969,980.80
  6. Step 6: Final answer
    x = 58,760,481.60

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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.