Home / 117,081,660.88-161,570,553.37-64,870,505.92

Finding the Fourth Proportional to 117,081,660.88, 161,570,553.37 and 64,870,505.92

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Solution

The fourth proportional to 117,081,660.88, 161,570,553.37 and 64,870,505.92 is: 89,520,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,081,660.88 : 161,570,553.37 = 64,870,505.92 : x
  2. Step 2: Convert to fraction form
    117,081,660.88/161,570,553.37 = 64,870,505.92/x
  3. Step 3: Cross multiply
    117,081,660.88x = 161,570,553.37 × 64,870,505.92
  4. Step 4: Simplify right side
    117,081,660.88x = 10,481,163,538,886,262
  5. Step 5: Solve for x
    x = 10,481,163,538,886,262/117,081,660.88
  6. Step 6: Final answer
    x = 89,520,113.23

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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.