Home / 117,285,361.92-161,873,216.64-65,091,162.24

Finding the Fourth Proportional to 117,285,361.92, 161,873,216.64 and 65,091,162.24

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Solution

The fourth proportional to 117,285,361.92, 161,873,216.64 and 65,091,162.24 is: 89,836,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,285,361.92 : 161,873,216.64 = 65,091,162.24 : x
  2. Step 2: Convert to fraction form
    117,285,361.92/161,873,216.64 = 65,091,162.24/x
  3. Step 3: Cross multiply
    117,285,361.92x = 161,873,216.64 × 65,091,162.24
  4. Step 4: Simplify right side
    117,285,361.92x = 10,536,515,806,624,908
  5. Step 5: Solve for x
    x = 10,536,515,806,624,908/117,285,361.92
  6. Step 6: Final answer
    x = 89,836,580.07

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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.