Finding the Fourth Proportional to 151,706,136.40, 209,354,832.14 and 82,092,264.28
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Solution
The fourth proportional to 151,706,136.40, 209,354,832.14 and 82,092,264.28 is: 113,287,521.63
Step by Step Solution
- Step 1: Write the proportion equation
151,706,136.40 : 209,354,832.14 = 82,092,264.28 : x - Step 2: Convert to fraction form
151,706,136.40/209,354,832.14 = 82,092,264.28/x - Step 3: Cross multiply
151,706,136.40x = 209,354,832.14 × 82,092,264.28 - Step 4: Simplify right side
151,706,136.40x = 17,186,412,208,331,918 - Step 5: Solve for x
x = 17,186,412,208,331,918/151,706,136.40 - Step 6: Final answer
x = 113,287,521.63
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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.