Finding the Fourth Proportional to 84,623,509.28, 116,797,190.28 and 54,891,003.44
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Solution
The fourth proportional to 84,623,509.28, 116,797,190.28 and 54,891,003.44 is: 75,760,447.99
Step by Step Solution
- Step 1: Write the proportion equation
84,623,509.28 : 116,797,190.28 = 54,891,003.44 : x - Step 2: Convert to fraction form
84,623,509.28/116,797,190.28 = 54,891,003.44/x - Step 3: Cross multiply
84,623,509.28x = 116,797,190.28 × 54,891,003.44 - Step 4: Simplify right side
84,623,509.28x = 6,411,114,973,441,814 - Step 5: Solve for x
x = 6,411,114,973,441,814/84,623,509.28 - Step 6: Final answer
x = 75,760,447.99
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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.