Finding the Fourth Proportional to 53,873,537.40, 80,822,247.12 and 15,532,059.42
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Solution
The fourth proportional to 53,873,537.40, 80,822,247.12 and 15,532,059.42 is: 23,301,531.80
Step by Step Solution
- Step 1: Write the proportion equation
53,873,537.40 : 80,822,247.12 = 15,532,059.42 : x - Step 2: Convert to fraction form
53,873,537.40/80,822,247.12 = 15,532,059.42/x - Step 3: Cross multiply
53,873,537.40x = 80,822,247.12 × 15,532,059.42 - Step 4: Simplify right side
53,873,537.40x = 1,255,335,944,725,764 - Step 5: Solve for x
x = 1,255,335,944,725,764/53,873,537.40 - Step 6: Final answer
x = 23,301,531.80
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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.