Finding the Fourth Proportional to 80,879,120.62, 121,366,619.97 and 29,796,982.54
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Solution
The fourth proportional to 80,879,120.62, 121,366,619.97 and 29,796,982.54 is: 44,713,135.21
Step by Step Solution
- Step 1: Write the proportion equation
80,879,120.62 : 121,366,619.97 = 29,796,982.54 : x - Step 2: Convert to fraction form
80,879,120.62/121,366,619.97 = 29,796,982.54/x - Step 3: Cross multiply
80,879,120.62x = 121,366,619.97 × 29,796,982.54 - Step 4: Simplify right side
80,879,120.62x = 3,616,359,056,184,905 - Step 5: Solve for x
x = 3,616,359,056,184,905/80,879,120.62 - Step 6: Final answer
x = 44,713,135.21
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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.