Finding the Fourth Proportional to 75,694,677.14, 104,458,696.50 and 40,887,367.88
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Solution
The fourth proportional to 75,694,677.14, 104,458,696.50 and 40,887,367.88 is: 56,424,590.38
Step by Step Solution
- Step 1: Write the proportion equation
75,694,677.14 : 104,458,696.50 = 40,887,367.88 : x - Step 2: Convert to fraction form
75,694,677.14/104,458,696.50 = 40,887,367.88/x - Step 3: Cross multiply
75,694,677.14x = 104,458,696.50 × 40,887,367.88 - Step 4: Simplify right side
75,694,677.14x = 4,271,041,151,691,802.50 - Step 5: Solve for x
x = 4,271,041,151,691,802.50/75,694,677.14 - Step 6: Final answer
x = 56,424,590.38
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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.