Home / 209,025,999.91-288,474,260.04-114,956,723.56

Finding the Fourth Proportional to 209,025,999.91, 288,474,260.04 and 114,956,723.56

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Solution

The fourth proportional to 209,025,999.91, 288,474,260.04 and 114,956,723.56 is: 158,650,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,025,999.91 : 288,474,260.04 = 114,956,723.56 : x
  2. Step 2: Convert to fraction form
    209,025,999.91/288,474,260.04 = 114,956,723.56/x
  3. Step 3: Cross multiply
    209,025,999.91x = 288,474,260.04 × 114,956,723.56
  4. Step 4: Simplify right side
    209,025,999.91x = 33,162,055,765,733,976
  5. Step 5: Solve for x
    x = 33,162,055,765,733,976/209,025,999.91
  6. Step 6: Final answer
    x = 158,650,386.94

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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.