Finding the Fourth Proportional to 86,465,278.05, 119,310,299.37 and 51,650,578.14
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Solution
The fourth proportional to 86,465,278.05, 119,310,299.37 and 51,650,578.14 is: 71,270,758.38
Step by Step Solution
- Step 1: Write the proportion equation
86,465,278.05 : 119,310,299.37 = 51,650,578.14 : x - Step 2: Convert to fraction form
86,465,278.05/119,310,299.37 = 51,650,578.14/x - Step 3: Cross multiply
86,465,278.05x = 119,310,299.37 × 51,650,578.14 - Step 4: Simplify right side
86,465,278.05x = 6,162,445,940,516,978 - Step 5: Solve for x
x = 6,162,445,940,516,978/86,465,278.05 - Step 6: Final answer
x = 71,270,758.38
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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.