Home / 117,561,874.37-162,215,776.44-65,343,810.30

Finding the Fourth Proportional to 117,561,874.37, 162,215,776.44 and 65,343,810.30

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Solution

The fourth proportional to 117,561,874.37, 162,215,776.44 and 65,343,810.30 is: 90,163,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561,874.37 : 162,215,776.44 = 65,343,810.30 : x
  2. Step 2: Convert to fraction form
    117,561,874.37/162,215,776.44 = 65,343,810.30/x
  3. Step 3: Cross multiply
    117,561,874.37x = 162,215,776.44 × 65,343,810.30
  4. Step 4: Simplify right side
    117,561,874.37x = 10,599,796,923,362,568
  5. Step 5: Solve for x
    x = 10,599,796,923,362,568/117,561,874.37
  6. Step 6: Final answer
    x = 90,163,558.39

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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.