Finding the Fourth Proportional to 96,646,991.20, 133,372,869.84 and 53,186,927.20
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Solution
The fourth proportional to 96,646,991.20, 133,372,869.84 and 53,186,927.20 is: 73,397,971.63
Step by Step Solution
- Step 1: Write the proportion equation
96,646,991.20 : 133,372,869.84 = 53,186,927.20 : x - Step 2: Convert to fraction form
96,646,991.20/133,372,869.84 = 53,186,927.20/x - Step 3: Cross multiply
96,646,991.20x = 133,372,869.84 × 53,186,927.20 - Step 4: Simplify right side
96,646,991.20x = 7,093,693,118,635,156 - Step 5: Solve for x
x = 7,093,693,118,635,156/96,646,991.20 - Step 6: Final answer
x = 73,397,971.63
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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.