Finding the Fourth Proportional to 345,608,493.87, 518,413,239.75 and 141,136,569.12
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Solution
The fourth proportional to 345,608,493.87, 518,413,239.75 and 141,136,569.12 is: 211,705,057.43
Step by Step Solution
- Step 1: Write the proportion equation
345,608,493.87 : 518,413,239.75 = 141,136,569.12 : x - Step 2: Convert to fraction form
345,608,493.87/518,413,239.75 = 141,136,569.12/x - Step 3: Cross multiply
345,608,493.87x = 518,413,239.75 × 141,136,569.12 - Step 4: Simplify right side
345,608,493.87x = 73,167,066,044,699,008 - Step 5: Solve for x
x = 73,167,066,044,699,008/345,608,493.87 - Step 6: Final answer
x = 211,705,057.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.