Finding the Fourth Proportional to 209,284,536.33, 313,715,773.26 and 131,616,947.00
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Solution
The fourth proportional to 209,284,536.33, 313,715,773.26 and 131,616,947.00 is: 197,292,705.08
Step by Step Solution
- Step 1: Write the proportion equation
209,284,536.33 : 313,715,773.26 = 131,616,947.00 : x - Step 2: Convert to fraction form
209,284,536.33/313,715,773.26 = 131,616,947.00/x - Step 3: Cross multiply
209,284,536.33x = 313,715,773.26 × 131,616,947.00 - Step 4: Simplify right side
209,284,536.33x = 41,290,312,303,009,728 - Step 5: Solve for x
x = 41,290,312,303,009,728/209,284,536.33 - Step 6: Final answer
x = 197,292,705.08
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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.