Home / 51,088,918.74-76,643,489.43-18,741,103.80

Finding the Fourth Proportional to 51,088,918.74, 76,643,489.43 and 18,741,103.80

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Solution

The fourth proportional to 51,088,918.74, 76,643,489.43 and 18,741,103.80 is: 28,115,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,088,918.74 : 76,643,489.43 = 18,741,103.80 : x
  2. Step 2: Convert to fraction form
    51,088,918.74/76,643,489.43 = 18,741,103.80/x
  3. Step 3: Cross multiply
    51,088,918.74x = 76,643,489.43 × 18,741,103.80
  4. Step 4: Simplify right side
    51,088,918.74x = 1,436,383,591,001,833
  5. Step 5: Solve for x
    x = 1,436,383,591,001,833/51,088,918.74
  6. Step 6: Final answer
    x = 28,115,364.87

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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.