Home / 290,305,847.80-435,458,771.70-108,529,406.20

Finding the Fourth Proportional to 290,305,847.80, 435,458,771.70 and 108,529,406.20

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Solution

The fourth proportional to 290,305,847.80, 435,458,771.70 and 108,529,406.20 is: 162,794,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,305,847.80 : 435,458,771.70 = 108,529,406.20 : x
  2. Step 2: Convert to fraction form
    290,305,847.80/435,458,771.70 = 108,529,406.20/x
  3. Step 3: Cross multiply
    290,305,847.80x = 435,458,771.70 × 108,529,406.20
  4. Step 4: Simplify right side
    290,305,847.80x = 47,260,081,917,182,368
  5. Step 5: Solve for x
    x = 47,260,081,917,182,368/290,305,847.80
  6. Step 6: Final answer
    x = 162,794,109.30

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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.