Finding the Fourth Proportional to 76,083,769.65, 104,995,805.63 and 41,276,460.09
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Solution
The fourth proportional to 76,083,769.65, 104,995,805.63 and 41,276,460.09 is: 56,961,625.33
Step by Step Solution
- Step 1: Write the proportion equation
76,083,769.65 : 104,995,805.63 = 41,276,460.09 : x - Step 2: Convert to fraction form
76,083,769.65/104,995,805.63 = 41,276,460.09/x - Step 3: Cross multiply
76,083,769.65x = 104,995,805.63 × 41,276,460.09 - Step 4: Simplify right side
76,083,769.65x = 4,333,855,180,497,710.50 - Step 5: Solve for x
x = 4,333,855,180,497,710.50/76,083,769.65 - Step 6: Final answer
x = 56,961,625.33
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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.