Home / 216,512,999.70-324,769,499.55-54,954,935.70

Finding the Fourth Proportional to 216,512,999.70, 324,769,499.55 and 54,954,935.70

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Solution

The fourth proportional to 216,512,999.70, 324,769,499.55 and 54,954,935.70 is: 82,432,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,512,999.70 : 324,769,499.55 = 54,954,935.70 : x
  2. Step 2: Convert to fraction form
    216,512,999.70/324,769,499.55 = 54,954,935.70/x
  3. Step 3: Cross multiply
    216,512,999.70x = 324,769,499.55 × 54,954,935.70
  4. Step 4: Simplify right side
    216,512,999.70x = 17,847,686,965,091,430
  5. Step 5: Solve for x
    x = 17,847,686,965,091,430/216,512,999.70
  6. Step 6: Final answer
    x = 82,432,403.55

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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.