Finding the Fourth Proportional to 76,606,514.98, 114,901,284.16 and 27,420,403.84
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Solution
The fourth proportional to 76,606,514.98, 114,901,284.16 and 27,420,403.84 is: 41,127,567.47
Step by Step Solution
- Step 1: Write the proportion equation
76,606,514.98 : 114,901,284.16 = 27,420,403.84 : x - Step 2: Convert to fraction form
76,606,514.98/114,901,284.16 = 27,420,403.84/x - Step 3: Cross multiply
76,606,514.98x = 114,901,284.16 × 27,420,403.84 - Step 4: Simplify right side
76,606,514.98x = 3,150,639,613,401,795 - Step 5: Solve for x
x = 3,150,639,613,401,795/76,606,514.98 - Step 6: Final answer
x = 41,127,567.47
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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.