Home / 67,299,892.88-100,966,846.46-18,777,717.89

Finding the Fourth Proportional to 67,299,892.88, 100,966,846.46 and 18,777,717.89

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Solution

The fourth proportional to 67,299,892.88, 100,966,846.46 and 18,777,717.89 is: 28,171,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299,892.88 : 100,966,846.46 = 18,777,717.89 : x
  2. Step 2: Convert to fraction form
    67,299,892.88/100,966,846.46 = 18,777,717.89/x
  3. Step 3: Cross multiply
    67,299,892.88x = 100,966,846.46 × 18,777,717.89
  4. Step 4: Simplify right side
    67,299,892.88x = 1,895,926,958,470,102.50
  5. Step 5: Solve for x
    x = 1,895,926,958,470,102.50/67,299,892.88
  6. Step 6: Final answer
    x = 28,171,322.08

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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.