Home / 84,406,067.96-126,606,739.91-26,901,789.80

Finding the Fourth Proportional to 84,406,067.96, 126,606,739.91 and 26,901,789.80

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Solution

The fourth proportional to 84,406,067.96, 126,606,739.91 and 26,901,789.80 is: 40,351,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,406,067.96 : 126,606,739.91 = 26,901,789.80 : x
  2. Step 2: Convert to fraction form
    84,406,067.96/126,606,739.91 = 26,901,789.80/x
  3. Step 3: Cross multiply
    84,406,067.96x = 126,606,739.91 × 26,901,789.80
  4. Step 4: Simplify right side
    84,406,067.96x = 3,405,947,903,554,548.50
  5. Step 5: Solve for x
    x = 3,405,947,903,554,548.50/84,406,067.96
  6. Step 6: Final answer
    x = 40,351,931.87

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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.