Finding the Fourth Proportional to 326,743,917.96, 450,916,056.18 and 180,075,649.80
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Solution
The fourth proportional to 326,743,917.96, 450,916,056.18 and 180,075,649.80 is: 248,509,604.49
Step by Step Solution
- Step 1: Write the proportion equation
326,743,917.96 : 450,916,056.18 = 180,075,649.80 : x - Step 2: Convert to fraction form
326,743,917.96/450,916,056.18 = 180,075,649.80/x - Step 3: Cross multiply
326,743,917.96x = 450,916,056.18 × 180,075,649.80 - Step 4: Simplify right side
326,743,917.96x = 81,199,001,821,866,816 - Step 5: Solve for x
x = 81,199,001,821,866,816/326,743,917.96 - Step 6: Final answer
x = 248,509,604.49
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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.