Home / 116,979,910.60-161,437,319.82-64,768,945.84

Finding the Fourth Proportional to 116,979,910.60, 161,437,319.82 and 64,768,945.84

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Solution

The fourth proportional to 116,979,910.60, 161,437,319.82 and 64,768,945.84 is: 89,383,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979,910.60 : 161,437,319.82 = 64,768,945.84 : x
  2. Step 2: Convert to fraction form
    116,979,910.60/161,437,319.82 = 64,768,945.84/x
  3. Step 3: Cross multiply
    116,979,910.60x = 161,437,319.82 × 64,768,945.84
  4. Step 4: Simplify right side
    116,979,910.60x = 10,456,125,023,976,338
  5. Step 5: Solve for x
    x = 10,456,125,023,976,338/116,979,910.60
  6. Step 6: Final answer
    x = 89,383,937.55

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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.