Finding the Fourth Proportional to 132,794,020.72, 183,193,204.86 and 86,367,334.96
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Solution
The fourth proportional to 132,794,020.72, 183,193,204.86 and 86,367,334.96 is: 119,146,244.69
Step by Step Solution
- Step 1: Write the proportion equation
132,794,020.72 : 183,193,204.86 = 86,367,334.96 : x - Step 2: Convert to fraction form
132,794,020.72/183,193,204.86 = 86,367,334.96/x - Step 3: Cross multiply
132,794,020.72x = 183,193,204.86 × 86,367,334.96 - Step 4: Simplify right side
132,794,020.72x = 15,821,908,886,539,520 - Step 5: Solve for x
x = 15,821,908,886,539,520/132,794,020.72 - Step 6: Final answer
x = 119,146,244.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.