Home / 65,206,183.48-89,947,063.26-40,717,382.20

Finding the Fourth Proportional to 65,206,183.48, 89,947,063.26 and 40,717,382.20

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Solution

The fourth proportional to 65,206,183.48, 89,947,063.26 and 40,717,382.20 is: 56,166,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206,183.48 : 89,947,063.26 = 40,717,382.20 : x
  2. Step 2: Convert to fraction form
    65,206,183.48/89,947,063.26 = 40,717,382.20/x
  3. Step 3: Cross multiply
    65,206,183.48x = 89,947,063.26 × 40,717,382.20
  4. Step 4: Simplify right side
    65,206,183.48x = 3,662,408,952,524,998.50
  5. Step 5: Solve for x
    x = 3,662,408,952,524,998.50/65,206,183.48
  6. Step 6: Final answer
    x = 56,166,589.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.