Finding the Fourth Proportional to 112,583,640.26, 168,984,395.36 and 54,332,324.64
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Solution
The fourth proportional to 112,583,640.26, 168,984,395.36 and 54,332,324.64 is: 81,551,058.45
Step by Step Solution
- Step 1: Write the proportion equation
112,583,640.26 : 168,984,395.36 = 54,332,324.64 : x - Step 2: Convert to fraction form
112,583,640.26/168,984,395.36 = 54,332,324.64/x - Step 3: Cross multiply
112,583,640.26x = 168,984,395.36 × 54,332,324.64 - Step 4: Simplify right side
112,583,640.26x = 9,181,315,027,793,630 - Step 5: Solve for x
x = 9,181,315,027,793,630/112,583,640.26 - Step 6: Final answer
x = 81,551,058.45
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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.