Finding the Fourth Proportional to 66,115,402.92, 91,264,918.73 and 49,643,093.88
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Solution
The fourth proportional to 66,115,402.92, 91,264,918.73 and 49,643,093.88 is: 68,526,738.52
Step by Step Solution
- Step 1: Write the proportion equation
66,115,402.92 : 91,264,918.73 = 49,643,093.88 : x - Step 2: Convert to fraction form
66,115,402.92/91,264,918.73 = 49,643,093.88/x - Step 3: Cross multiply
66,115,402.92x = 91,264,918.73 × 49,643,093.88 - Step 4: Simplify right side
66,115,402.92x = 4,530,672,928,215,745 - Step 5: Solve for x
x = 4,530,672,928,215,745/66,115,402.92 - Step 6: Final answer
x = 68,526,738.52
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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.