Finding the Fourth Proportional to 299,991,663.06, 413,985,445.38 and 166,029,843.12
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Solution
The fourth proportional to 299,991,663.06, 413,985,445.38 and 166,029,843.12 is: 229,119,495.69
Step by Step Solution
- Step 1: Write the proportion equation
299,991,663.06 : 413,985,445.38 = 166,029,843.12 : x - Step 2: Convert to fraction form
299,991,663.06/413,985,445.38 = 166,029,843.12/x - Step 3: Cross multiply
299,991,663.06x = 413,985,445.38 × 166,029,843.12 - Step 4: Simplify right side
299,991,663.06x = 68,733,938,550,404,728 - Step 5: Solve for x
x = 68,733,938,550,404,728/299,991,663.06 - Step 6: Final answer
x = 229,119,495.69
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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.