Finding the Fourth Proportional to 121,616,091.66, 182,715,163.08 and 77,982,338.55
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Solution
The fourth proportional to 121,616,091.66, 182,715,163.08 and 77,982,338.55 is: 117,160,118.46
Step by Step Solution
- Step 1: Write the proportion equation
121,616,091.66 : 182,715,163.08 = 77,982,338.55 : x - Step 2: Convert to fraction form
121,616,091.66/182,715,163.08 = 77,982,338.55/x - Step 3: Cross multiply
121,616,091.66x = 182,715,163.08 × 77,982,338.55 - Step 4: Simplify right side
121,616,091.66x = 14,248,555,705,523,022 - Step 5: Solve for x
x = 14,248,555,705,523,022/121,616,091.66 - Step 6: Final answer
x = 117,160,118.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.