Home / 290,303,826.24-400,619,103.57-159,923,634.24

Finding the Fourth Proportional to 290,303,826.24, 400,619,103.57 and 159,923,634.24

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Solution

The fourth proportional to 290,303,826.24, 400,619,103.57 and 159,923,634.24 is: 220,694,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,303,826.24 : 400,619,103.57 = 159,923,634.24 : x
  2. Step 2: Convert to fraction form
    290,303,826.24/400,619,103.57 = 159,923,634.24/x
  3. Step 3: Cross multiply
    290,303,826.24x = 400,619,103.57 × 159,923,634.24
  4. Step 4: Simplify right side
    290,303,826.24x = 64,068,462,988,885,360
  5. Step 5: Solve for x
    x = 64,068,462,988,885,360/290,303,826.24
  6. Step 6: Final answer
    x = 220,694,517.94

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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.