Finding the Fourth Proportional to 220,411,208.58, 330,412,134.25 and 97,523,891.80
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Solution
The fourth proportional to 220,411,208.58, 330,412,134.25 and 97,523,891.80 is: 146,195,274.90
Step by Step Solution
- Step 1: Write the proportion equation
220,411,208.58 : 330,412,134.25 = 97,523,891.80 : x - Step 2: Convert to fraction form
220,411,208.58/330,412,134.25 = 97,523,891.80/x - Step 3: Cross multiply
220,411,208.58x = 330,412,134.25 × 97,523,891.80 - Step 4: Simplify right side
220,411,208.58x = 32,223,077,230,004,072 - Step 5: Solve for x
x = 32,223,077,230,004,072/220,411,208.58 - Step 6: Final answer
x = 146,195,274.90
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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.