Finding the Fourth Proportional to 206,530,586.36, 309,682,427.69 and 141,850,665.08
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Solution
The fourth proportional to 206,530,586.36, 309,682,427.69 and 141,850,665.08 is: 212,698,075.89
Step by Step Solution
- Step 1: Write the proportion equation
206,530,586.36 : 309,682,427.69 = 141,850,665.08 : x - Step 2: Convert to fraction form
206,530,586.36/309,682,427.69 = 141,850,665.08/x - Step 3: Cross multiply
206,530,586.36x = 309,682,427.69 × 141,850,665.08 - Step 4: Simplify right side
206,530,586.36x = 43,928,658,330,221,720 - Step 5: Solve for x
x = 43,928,658,330,221,720/206,530,586.36 - Step 6: Final answer
x = 212,698,075.89
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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.