Finding the Fourth Proportional to 195,586,353.90, 269,850,307.68 and 117,241,321.68
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Solution
The fourth proportional to 195,586,353.90, 269,850,307.68 and 117,241,321.68 is: 161,757,740.75
Step by Step Solution
- Step 1: Write the proportion equation
195,586,353.90 : 269,850,307.68 = 117,241,321.68 : x - Step 2: Convert to fraction form
195,586,353.90/269,850,307.68 = 117,241,321.68/x - Step 3: Cross multiply
195,586,353.90x = 269,850,307.68 × 117,241,321.68 - Step 4: Simplify right side
195,586,353.90x = 31,637,606,728,157,856 - Step 5: Solve for x
x = 31,637,606,728,157,856/195,586,353.90 - Step 6: Final answer
x = 161,757,740.75
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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.