Home / 223,787,221.65-306,589,587.46-215,399,727.09

Finding the Fourth Proportional to 223,787,221.65, 306,589,587.46 and 215,399,727.09

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Solution

The fourth proportional to 223,787,221.65, 306,589,587.46 and 215,399,727.09 is: 295,098,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,787,221.65 : 306,589,587.46 = 215,399,727.09 : x
  2. Step 2: Convert to fraction form
    223,787,221.65/306,589,587.46 = 215,399,727.09/x
  3. Step 3: Cross multiply
    223,787,221.65x = 306,589,587.46 × 215,399,727.09
  4. Step 4: Simplify right side
    223,787,221.65x = 66,039,313,467,243,984
  5. Step 5: Solve for x
    x = 66,039,313,467,243,984/223,787,221.65
  6. Step 6: Final answer
    x = 295,098,678.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.