Home / 54,337,005,515.06-81,542,738,843.64-18,964,360,922.96

Finding the Fourth Proportional to 54,337,005,515.06, 81,542,738,843.64 and 18,964,360,922.96

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Solution

The fourth proportional to 54,337,005,515.06, 81,542,738,843.64 and 18,964,360,922.96 is: 28,459,535,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337,005,515.06 : 81,542,738,843.64 = 18,964,360,922.96 : x
  2. Step 2: Convert to fraction form
    54,337,005,515.06/81,542,738,843.64 = 18,964,360,922.96/x
  3. Step 3: Cross multiply
    54,337,005,515.06x = 81,542,738,843.64 × 18,964,360,922.96
  4. Step 4: Simplify right side
    54,337,005,515.06x = 1,546,405,930,076,956,524,544
  5. Step 5: Solve for x
    x = 1,546,405,930,076,956,524,544/54,337,005,515.06
  6. Step 6: Final answer
    x = 28,459,535,364.87

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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.