Finding the Fourth Proportional to 84,041,286.63, 126,025,317.94 and 44,640,918.15
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Solution
The fourth proportional to 84,041,286.63, 126,025,317.94 and 44,640,918.15 is: 66,941,929.72
Step by Step Solution
- Step 1: Write the proportion equation
84,041,286.63 : 126,025,317.94 = 44,640,918.15 : x - Step 2: Convert to fraction form
84,041,286.63/126,025,317.94 = 44,640,918.15/x - Step 3: Cross multiply
84,041,286.63x = 126,025,317.94 × 44,640,918.15 - Step 4: Simplify right side
84,041,286.63x = 5,625,885,902,987,266 - Step 5: Solve for x
x = 5,625,885,902,987,266/84,041,286.63 - Step 6: Final answer
x = 66,941,929.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.