Finding the Fourth Proportional to 81,556,748.49, 122,297,194.71 and 29,705,254.37
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Solution
The fourth proportional to 81,556,748.49, 122,297,194.71 and 29,705,254.37 is: 44,544,067.10
Step by Step Solution
- Step 1: Write the proportion equation
81,556,748.49 : 122,297,194.71 = 29,705,254.37 : x - Step 2: Convert to fraction form
81,556,748.49/122,297,194.71 = 29,705,254.37/x - Step 3: Cross multiply
81,556,748.49x = 122,297,194.71 × 29,705,254.37 - Step 4: Simplify right side
81,556,748.49x = 3,632,869,276,986,482 - Step 5: Solve for x
x = 3,632,869,276,986,482/81,556,748.49 - Step 6: Final answer
x = 44,544,067.10
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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.