Home / 110,678,610.80-166,269,858.60-80,067,609.20

Finding the Fourth Proportional to 110,678,610.80, 166,269,858.60 and 80,067,609.20

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Solution

The fourth proportional to 110,678,610.80, 166,269,858.60 and 80,067,609.20 is: 120,283,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,678,610.80 : 166,269,858.60 = 80,067,609.20 : x
  2. Step 2: Convert to fraction form
    110,678,610.80/166,269,858.60 = 80,067,609.20/x
  3. Step 3: Cross multiply
    110,678,610.80x = 166,269,858.60 × 80,067,609.20
  4. Step 4: Simplify right side
    110,678,610.80x = 13,312,830,060,124,060
  5. Step 5: Solve for x
    x = 13,312,830,060,124,060/110,678,610.80
  6. Step 6: Final answer
    x = 120,283,675.08

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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.