Home / 149,765,054.07-206,696,305.94-86,184,086.61

Finding the Fourth Proportional to 149,765,054.07, 206,696,305.94 and 86,184,086.61

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Solution

The fourth proportional to 149,765,054.07, 206,696,305.94 and 86,184,086.61 is: 118,945,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,765,054.07 : 206,696,305.94 = 86,184,086.61 : x
  2. Step 2: Convert to fraction form
    149,765,054.07/206,696,305.94 = 86,184,086.61/x
  3. Step 3: Cross multiply
    149,765,054.07x = 206,696,305.94 × 86,184,086.61
  4. Step 4: Simplify right side
    149,765,054.07x = 17,813,932,332,669,098
  5. Step 5: Solve for x
    x = 17,813,932,332,669,098/149,765,054.07
  6. Step 6: Final answer
    x = 118,945,854.51

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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.