Finding the Fourth Proportional to 74,115,583.21, 102,279,514.52 and 41,077,965.26
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Solution
The fourth proportional to 74,115,583.21, 102,279,514.52 and 41,077,965.26 is: 56,687,597.43
Step by Step Solution
- Step 1: Write the proportion equation
74,115,583.21 : 102,279,514.52 = 41,077,965.26 : x - Step 2: Convert to fraction form
74,115,583.21/102,279,514.52 = 41,077,965.26/x - Step 3: Cross multiply
74,115,583.21x = 102,279,514.52 × 41,077,965.26 - Step 4: Simplify right side
74,115,583.21x = 4,201,434,344,262,225 - Step 5: Solve for x
x = 4,201,434,344,262,225/74,115,583.21 - Step 6: Final answer
x = 56,687,597.43
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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.