Home / 117,117,786.52-161,622,550.02-64,914,669.64

Finding the Fourth Proportional to 117,117,786.52, 161,622,550.02 and 64,914,669.64

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Solution

The fourth proportional to 117,117,786.52, 161,622,550.02 and 64,914,669.64 is: 89,582,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,117,786.52 : 161,622,550.02 = 64,914,669.64 : x
  2. Step 2: Convert to fraction form
    117,117,786.52/161,622,550.02 = 64,914,669.64/x
  3. Step 3: Cross multiply
    117,117,786.52x = 161,622,550.02 × 64,914,669.64
  4. Step 4: Simplify right side
    117,117,786.52x = 10,491,674,440,922,676
  5. Step 5: Solve for x
    x = 10,491,674,440,922,676/117,117,786.52
  6. Step 6: Final answer
    x = 89,582,246.67

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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.