Finding the Fourth Proportional to 74,115,582.89, 102,279,514.08 and 41,077,964.94
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Solution
The fourth proportional to 74,115,582.89, 102,279,514.08 and 41,077,964.94 is: 56,687,596.99
Step by Step Solution
- Step 1: Write the proportion equation
74,115,582.89 : 102,279,514.08 = 41,077,964.94 : x - Step 2: Convert to fraction form
74,115,582.89/102,279,514.08 = 41,077,964.94/x - Step 3: Cross multiply
74,115,582.89x = 102,279,514.08 × 41,077,964.94 - Step 4: Simplify right side
74,115,582.89x = 4,201,434,293,458,476 - Step 5: Solve for x
x = 4,201,434,293,458,476/74,115,582.89 - Step 6: Final answer
x = 56,687,596.99
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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.