Home / 65,195,183.70-89,949,733.77-39,080,172.96

Finding the Fourth Proportional to 65,195,183.70, 89,949,733.77 and 39,080,172.96

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Solution

The fourth proportional to 65,195,183.70, 89,949,733.77 and 39,080,172.96 is: 53,918,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,195,183.70 : 89,949,733.77 = 39,080,172.96 : x
  2. Step 2: Convert to fraction form
    65,195,183.70/89,949,733.77 = 39,080,172.96/x
  3. Step 3: Cross multiply
    65,195,183.70x = 89,949,733.77 × 39,080,172.96
  4. Step 4: Simplify right side
    65,195,183.70x = 3,515,251,153,437,553
  5. Step 5: Solve for x
    x = 3,515,251,153,437,553/65,195,183.70
  6. Step 6: Final answer
    x = 53,918,877.96

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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.