Finding the Fourth Proportional to 236,430,997.80, 354,646,496.70 and 193,915,717.80
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Solution
The fourth proportional to 236,430,997.80, 354,646,496.70 and 193,915,717.80 is: 290,873,576.70
Step by Step Solution
- Step 1: Write the proportion equation
236,430,997.80 : 354,646,496.70 = 193,915,717.80 : x - Step 2: Convert to fraction form
236,430,997.80/354,646,496.70 = 193,915,717.80/x - Step 3: Cross multiply
236,430,997.80x = 354,646,496.70 × 193,915,717.80 - Step 4: Simplify right side
236,430,997.80x = 68,771,529,972,835,832 - Step 5: Solve for x
x = 68,771,529,972,835,832/236,430,997.80 - Step 6: Final answer
x = 290,873,576.70
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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.