Home / 219,419,355.64-302,801,658.20-120,299,863

Finding the Fourth Proportional to 219,419,355.64, 302,801,658.20 and 120,299,863

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Solution

The fourth proportional to 219,419,355.64, 302,801,658.20 and 120,299,863 is: 166,015,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,419,355.64 : 302,801,658.20 = 120,299,863 : x
  2. Step 2: Convert to fraction form
    219,419,355.64/302,801,658.20 = 120,299,863/x
  3. Step 3: Cross multiply
    219,419,355.64x = 302,801,658.20 × 120,299,863
  4. Step 4: Simplify right side
    219,419,355.64x = 36,426,997,997,632,824
  5. Step 5: Solve for x
    x = 36,426,997,997,632,824/219,419,355.64
  6. Step 6: Final answer
    x = 166,015,426.90

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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.