Home / 420,030,998.10-629,857,540.35-161,160,182.10

Finding the Fourth Proportional to 420,030,998.10, 629,857,540.35 and 161,160,182.10

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Solution

The fourth proportional to 420,030,998.10, 629,857,540.35 and 161,160,182.10 is: 241,667,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,030,998.10 : 629,857,540.35 = 161,160,182.10 : x
  2. Step 2: Convert to fraction form
    420,030,998.10/629,857,540.35 = 161,160,182.10/x
  3. Step 3: Cross multiply
    420,030,998.10x = 629,857,540.35 × 161,160,182.10
  4. Step 4: Simplify right side
    420,030,998.10x = 101,507,955,899,864,096
  5. Step 5: Solve for x
    x = 101,507,955,899,864,096/420,030,998.10
  6. Step 6: Final answer
    x = 241,667,773.00

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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.