Finding the Fourth Proportional to 88,572,054.60, 132,858,081.90 and 54,382,537.80
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Solution
The fourth proportional to 88,572,054.60, 132,858,081.90 and 54,382,537.80 is: 81,573,806.70
Step by Step Solution
- Step 1: Write the proportion equation
88,572,054.60 : 132,858,081.90 = 54,382,537.80 : x - Step 2: Convert to fraction form
88,572,054.60/132,858,081.90 = 54,382,537.80/x - Step 3: Cross multiply
88,572,054.60x = 132,858,081.90 × 54,382,537.80 - Step 4: Simplify right side
88,572,054.60x = 7,225,159,660,962,246 - Step 5: Solve for x
x = 7,225,159,660,962,246/88,572,054.60 - Step 6: Final answer
x = 81,573,806.70
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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.