Finding the Fourth Proportional to 88,555,812.63, 132,884,165.75 and 70,718,290.71
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Solution
The fourth proportional to 88,555,812.63, 132,884,165.75 and 70,718,290.71 is: 106,117,721.52
Step by Step Solution
- Step 1: Write the proportion equation
88,555,812.63 : 132,884,165.75 = 70,718,290.71 : x - Step 2: Convert to fraction form
88,555,812.63/132,884,165.75 = 70,718,290.71/x - Step 3: Cross multiply
88,555,812.63x = 132,884,165.75 × 70,718,290.71 - Step 4: Simplify right side
88,555,812.63x = 9,397,341,063,910,734 - Step 5: Solve for x
x = 9,397,341,063,910,734/88,555,812.63 - Step 6: Final answer
x = 106,117,721.52
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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.