Home / 255,004,698.15-381,869,318.03-203,986,362.15

Finding the Fourth Proportional to 255,004,698.15, 381,869,318.03 and 203,986,362.15

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Solution

The fourth proportional to 255,004,698.15, 381,869,318.03 and 203,986,362.15 is: 305,469,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,004,698.15 : 381,869,318.03 = 203,986,362.15 : x
  2. Step 2: Convert to fraction form
    255,004,698.15/381,869,318.03 = 203,986,362.15/x
  3. Step 3: Cross multiply
    255,004,698.15x = 381,869,318.03 × 203,986,362.15
  4. Step 4: Simplify right side
    255,004,698.15x = 77,896,133,000,621,168
  5. Step 5: Solve for x
    x = 77,896,133,000,621,168/255,004,698.15
  6. Step 6: Final answer
    x = 305,469,403.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.