Finding the Fourth Proportional to 235,924,855.05, 325,715,959.38 and 209,747,067.84
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Solution
The fourth proportional to 235,924,855.05, 325,715,959.38 and 209,747,067.84 is: 289,575,116.68
Step by Step Solution
- Step 1: Write the proportion equation
235,924,855.05 : 325,715,959.38 = 209,747,067.84 : x - Step 2: Convert to fraction form
235,924,855.05/325,715,959.38 = 209,747,067.84/x - Step 3: Cross multiply
235,924,855.05x = 325,715,959.38 × 209,747,067.84 - Step 4: Simplify right side
235,924,855.05x = 68,317,967,428,647,544 - Step 5: Solve for x
x = 68,317,967,428,647,544/235,924,855.05 - Step 6: Final answer
x = 289,575,116.68
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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.