Finding the Fourth Proportional to 127,920,734.75, 176,530,612.59 and 69,183,399.87
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Solution
The fourth proportional to 127,920,734.75, 176,530,612.59 and 69,183,399.87 is: 95,473,091.08
Step by Step Solution
- Step 1: Write the proportion equation
127,920,734.75 : 176,530,612.59 = 69,183,399.87 : x - Step 2: Convert to fraction form
127,920,734.75/176,530,612.59 = 69,183,399.87/x - Step 3: Cross multiply
127,920,734.75x = 176,530,612.59 × 69,183,399.87 - Step 4: Simplify right side
127,920,734.75x = 12,212,987,960,382,268 - Step 5: Solve for x
x = 12,212,987,960,382,268/127,920,734.75 - Step 6: Final answer
x = 95,473,091.08
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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.