Home / 168,457,317.30-252,473,399.55-82,009,581.30

Finding the Fourth Proportional to 168,457,317.30, 252,473,399.55 and 82,009,581.30

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Solution

The fourth proportional to 168,457,317.30, 252,473,399.55 and 82,009,581.30 is: 122,910,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,457,317.30 : 252,473,399.55 = 82,009,581.30 : x
  2. Step 2: Convert to fraction form
    168,457,317.30/252,473,399.55 = 82,009,581.30/x
  3. Step 3: Cross multiply
    168,457,317.30x = 252,473,399.55 × 82,009,581.30
  4. Step 4: Simplify right side
    168,457,317.30x = 20,705,237,786,483,108
  5. Step 5: Solve for x
    x = 20,705,237,786,483,108/168,457,317.30
  6. Step 6: Final answer
    x = 122,910,884.01

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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.