Finding the Fourth Proportional to 209,220,726.92, 313,901,716.70 and 92,619,998.96
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Solution
The fourth proportional to 209,220,726.92, 313,901,716.70 and 92,619,998.96 is: 138,961,264.03
Step by Step Solution
- Step 1: Write the proportion equation
209,220,726.92 : 313,901,716.70 = 92,619,998.96 : x - Step 2: Convert to fraction form
209,220,726.92/313,901,716.70 = 92,619,998.96/x - Step 3: Cross multiply
209,220,726.92x = 313,901,716.70 × 92,619,998.96 - Step 4: Simplify right side
209,220,726.92x = 29,073,576,672,958,256 - Step 5: Solve for x
x = 29,073,576,672,958,256/209,220,726.92 - Step 6: Final answer
x = 138,961,264.03
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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.