Home / 50,565,581.37-69,768,367.07-30,718,950.03

Finding the Fourth Proportional to 50,565,581.37, 69,768,367.07 and 30,718,950.03

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Solution

The fourth proportional to 50,565,581.37, 69,768,367.07 and 30,718,950.03 is: 42,384,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,565,581.37 : 69,768,367.07 = 30,718,950.03 : x
  2. Step 2: Convert to fraction form
    50,565,581.37/69,768,367.07 = 30,718,950.03/x
  3. Step 3: Cross multiply
    50,565,581.37x = 69,768,367.07 × 30,718,950.03
  4. Step 4: Simplify right side
    50,565,581.37x = 2,143,210,981,544,432.75
  5. Step 5: Solve for x
    x = 2,143,210,981,544,432.75/50,565,581.37
  6. Step 6: Final answer
    x = 42,384,778.81

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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.