Finding the Fourth Proportional to 132,647,194.20, 183,053,854.06 and 76,925,651.92
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Solution
The fourth proportional to 132,647,194.20, 183,053,854.06 and 76,925,651.92 is: 106,157,820.71
Step by Step Solution
- Step 1: Write the proportion equation
132,647,194.20 : 183,053,854.06 = 76,925,651.92 : x - Step 2: Convert to fraction form
132,647,194.20/183,053,854.06 = 76,925,651.92/x - Step 3: Cross multiply
132,647,194.20x = 183,053,854.06 × 76,925,651.92 - Step 4: Simplify right side
132,647,194.20x = 14,081,537,060,034,040 - Step 5: Solve for x
x = 14,081,537,060,034,040/132,647,194.20 - Step 6: Final answer
x = 106,157,820.71
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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.