Finding the Fourth Proportional to 154,141,241.94, 212,721,047.10 and 84,529,119.42
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Solution
The fourth proportional to 154,141,241.94, 212,721,047.10 and 84,529,119.42 is: 116,653,548.18
Step by Step Solution
- Step 1: Write the proportion equation
154,141,241.94 : 212,721,047.10 = 84,529,119.42 : x - Step 2: Convert to fraction form
154,141,241.94/212,721,047.10 = 84,529,119.42/x - Step 3: Cross multiply
154,141,241.94x = 212,721,047.10 × 84,529,119.42 - Step 4: Simplify right side
154,141,241.94x = 17,981,122,793,463,344 - Step 5: Solve for x
x = 17,981,122,793,463,344/154,141,241.94 - Step 6: Final answer
x = 116,653,548.18
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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.