Home / 220,347,859.20-329,765,961.60-202,208,006.40

Finding the Fourth Proportional to 220,347,859.20, 329,765,961.60 and 202,208,006.40

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Solution

The fourth proportional to 220,347,859.20, 329,765,961.60 and 202,208,006.40 is: 302,618,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,347,859.20 : 329,765,961.60 = 202,208,006.40 : x
  2. Step 2: Convert to fraction form
    220,347,859.20/329,765,961.60 = 202,208,006.40/x
  3. Step 3: Cross multiply
    220,347,859.20x = 329,765,961.60 × 202,208,006.40
  4. Step 4: Simplify right side
    220,347,859.20x = 66,681,317,673,714,960
  5. Step 5: Solve for x
    x = 66,681,317,673,714,960/220,347,859.20
  6. Step 6: Final answer
    x = 302,618,404.90

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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.