Home / 117,945,389.64-162,770,179.92-65,734,799.24

Finding the Fourth Proportional to 117,945,389.64, 162,770,179.92 and 65,734,799.24

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Solution

The fourth proportional to 117,945,389.64, 162,770,179.92 and 65,734,799.24 is: 90,717,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,945,389.64 : 162,770,179.92 = 65,734,799.24 : x
  2. Step 2: Convert to fraction form
    117,945,389.64/162,770,179.92 = 65,734,799.24/x
  3. Step 3: Cross multiply
    117,945,389.64x = 162,770,179.92 × 65,734,799.24
  4. Step 4: Simplify right side
    117,945,389.64x = 10,699,665,099,299,878
  5. Step 5: Solve for x
    x = 10,699,665,099,299,878/117,945,389.64
  6. Step 6: Final answer
    x = 90,717,111.81

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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.