Finding the Fourth Proportional to 220,490,968.84, 330,736,453.14 and 82,327,365.80
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Solution
The fourth proportional to 220,490,968.84, 330,736,453.14 and 82,327,365.80 is: 123,491,048.65
Step by Step Solution
- Step 1: Write the proportion equation
220,490,968.84 : 330,736,453.14 = 82,327,365.80 : x - Step 2: Convert to fraction form
220,490,968.84/330,736,453.14 = 82,327,365.80/x - Step 3: Cross multiply
220,490,968.84x = 330,736,453.14 × 82,327,365.80 - Step 4: Simplify right side
220,490,968.84x = 27,228,660,959,397,656 - Step 5: Solve for x
x = 27,228,660,959,397,656/220,490,968.84 - Step 6: Final answer
x = 123,491,048.65
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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.