Finding the Fourth Proportional to 66,363,794.42, 99,546,006.48 and 20,305,589.99
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Solution
The fourth proportional to 66,363,794.42, 99,546,006.48 and 20,305,589.99 is: 30,458,481.32
Step by Step Solution
- Step 1: Write the proportion equation
66,363,794.42 : 99,546,006.48 = 20,305,589.99 : x - Step 2: Convert to fraction form
66,363,794.42/99,546,006.48 = 20,305,589.99/x - Step 3: Cross multiply
66,363,794.42x = 99,546,006.48 × 20,305,589.99 - Step 4: Simplify right side
66,363,794.42x = 2,021,340,392,227,033.25 - Step 5: Solve for x
x = 2,021,340,392,227,033.25/66,363,794.42 - Step 6: Final answer
x = 30,458,481.32
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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.