Home / 324,119,247.20-486,256,215-105,769,995.20

Finding the Fourth Proportional to 324,119,247.20, 486,256,215 and 105,769,995.20

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Solution

The fourth proportional to 324,119,247.20, 486,256,215 and 105,769,995.20 is: 158,680,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,119,247.20 : 486,256,215 = 105,769,995.20 : x
  2. Step 2: Convert to fraction form
    324,119,247.20/486,256,215 = 105,769,995.20/x
  3. Step 3: Cross multiply
    324,119,247.20x = 486,256,215 × 105,769,995.20
  4. Step 4: Simplify right side
    324,119,247.20x = 51,431,317,526,520,168
  5. Step 5: Solve for x
    x = 51,431,317,526,520,168/324,119,247.20
  6. Step 6: Final answer
    x = 158,680,232.57

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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.