Home / 290,303,828.24-400,619,106.32-159,923,636.24

Finding the Fourth Proportional to 290,303,828.24, 400,619,106.32 and 159,923,636.24

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Solution

The fourth proportional to 290,303,828.24, 400,619,106.32 and 159,923,636.24 is: 220,694,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,303,828.24 : 400,619,106.32 = 159,923,636.24 : x
  2. Step 2: Convert to fraction form
    290,303,828.24/400,619,106.32 = 159,923,636.24/x
  3. Step 3: Cross multiply
    290,303,828.24x = 400,619,106.32 × 159,923,636.24
  4. Step 4: Simplify right side
    290,303,828.24x = 64,068,464,229,913,568
  5. Step 5: Solve for x
    x = 64,068,464,229,913,568/290,303,828.24
  6. Step 6: Final answer
    x = 220,694,520.70

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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.