Finding the Fourth Proportional to 77,458,382.87, 116,168,212.06 and 22,860,131.99
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Solution
The fourth proportional to 77,458,382.87, 116,168,212.06 and 22,860,131.99 is: 34,284,483.64
Step by Step Solution
- Step 1: Write the proportion equation
77,458,382.87 : 116,168,212.06 = 22,860,131.99 : x - Step 2: Convert to fraction form
77,458,382.87/116,168,212.06 = 22,860,131.99/x - Step 3: Cross multiply
77,458,382.87x = 116,168,212.06 × 22,860,131.99 - Step 4: Simplify right side
77,458,382.87x = 2,655,620,660,095,918.50 - Step 5: Solve for x
x = 2,655,620,660,095,918.50/77,458,382.87 - Step 6: Final answer
x = 34,284,483.64
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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.