Finding the Fourth Proportional to 76,930,191.36, 106,162,858.40 and 41,647,207.36
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Solution
The fourth proportional to 76,930,191.36, 106,162,858.40 and 41,647,207.36 is: 57,472,709.99
Step by Step Solution
- Step 1: Write the proportion equation
76,930,191.36 : 106,162,858.40 = 41,647,207.36 : x - Step 2: Convert to fraction form
76,930,191.36/106,162,858.40 = 41,647,207.36/x - Step 3: Cross multiply
76,930,191.36x = 106,162,858.40 × 41,647,207.36 - Step 4: Simplify right side
76,930,191.36x = 4,421,386,577,715,118 - Step 5: Solve for x
x = 4,421,386,577,715,118/76,930,191.36 - Step 6: Final answer
x = 57,472,709.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.