Finding the Fourth Proportional to 121,367,536.80, 182,114,290.80 and 53,217,117.60
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Solution
The fourth proportional to 121,367,536.80, 182,114,290.80 and 53,217,117.60 is: 79,853,294.26
Step by Step Solution
- Step 1: Write the proportion equation
121,367,536.80 : 182,114,290.80 = 53,217,117.60 : x - Step 2: Convert to fraction form
121,367,536.80/182,114,290.80 = 53,217,117.60/x - Step 3: Cross multiply
121,367,536.80x = 182,114,290.80 × 53,217,117.60 - Step 4: Simplify right side
121,367,536.80x = 9,691,597,630,144,198 - Step 5: Solve for x
x = 9,691,597,630,144,198/121,367,536.80 - Step 6: Final answer
x = 79,853,294.26
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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.