Finding the Fourth Proportional to 292,590,578.70, 403,759,486.22 and 167,118,134.99
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Solution
The fourth proportional to 292,590,578.70, 403,759,486.22 and 167,118,134.99 is: 230,614,166.11
Step by Step Solution
- Step 1: Write the proportion equation
292,590,578.70 : 403,759,486.22 = 167,118,134.99 : x - Step 2: Convert to fraction form
292,590,578.70/403,759,486.22 = 167,118,134.99/x - Step 3: Cross multiply
292,590,578.70x = 403,759,486.22 × 167,118,134.99 - Step 4: Simplify right side
292,590,578.70x = 67,475,532,318,752,616 - Step 5: Solve for x
x = 67,475,532,318,752,616/292,590,578.70 - Step 6: Final answer
x = 230,614,166.11
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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.