Finding the Fourth Proportional to 45,573,159.20, 68,391,231.60 and 32,804,578.40
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Solution
The fourth proportional to 45,573,159.20, 68,391,231.60 and 32,804,578.40 is: 49,229,536.82
Step by Step Solution
- Step 1: Write the proportion equation
45,573,159.20 : 68,391,231.60 = 32,804,578.40 : x - Step 2: Convert to fraction form
45,573,159.20/68,391,231.60 = 32,804,578.40/x - Step 3: Cross multiply
45,573,159.20x = 68,391,231.60 × 32,804,578.40 - Step 4: Simplify right side
45,573,159.20x = 2,243,545,518,894,757.25 - Step 5: Solve for x
x = 2,243,545,518,894,757.25/45,573,159.20 - Step 6: Final answer
x = 49,229,536.82
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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.