Finding the Fourth Proportional to 120,154,736.64, 165,816,796.84 and 67,951,578.88
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Solution
The fourth proportional to 120,154,736.64, 165,816,796.84 and 67,951,578.88 is: 93,775,022.65
Step by Step Solution
- Step 1: Write the proportion equation
120,154,736.64 : 165,816,796.84 = 67,951,578.88 : x - Step 2: Convert to fraction form
120,154,736.64/165,816,796.84 = 67,951,578.88/x - Step 3: Cross multiply
120,154,736.64x = 165,816,796.84 × 67,951,578.88 - Step 4: Simplify right side
120,154,736.64x = 11,267,513,150,102,194 - Step 5: Solve for x
x = 11,267,513,150,102,194/120,154,736.64 - Step 6: Final answer
x = 93,775,022.65
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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.