Home / 51,313,769.28-76,984,825.68-45,673,408.80

Finding the Fourth Proportional to 51,313,769.28, 76,984,825.68 and 45,673,408.80

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Solution

The fourth proportional to 51,313,769.28, 76,984,825.68 and 45,673,408.80 is: 68,522,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,313,769.28 : 76,984,825.68 = 45,673,408.80 : x
  2. Step 2: Convert to fraction form
    51,313,769.28/76,984,825.68 = 45,673,408.80/x
  3. Step 3: Cross multiply
    51,313,769.28x = 76,984,825.68 × 45,673,408.80
  4. Step 4: Simplify right side
    51,313,769.28x = 3,516,159,414,679,378
  5. Step 5: Solve for x
    x = 3,516,159,414,679,378/51,313,769.28
  6. Step 6: Final answer
    x = 68,522,727.21

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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.