Finding the Fourth Proportional to 299,578,135.70, 449,367,203.55 and 84,167,383.70
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Solution
The fourth proportional to 299,578,135.70, 449,367,203.55 and 84,167,383.70 is: 126,251,075.55
Step by Step Solution
- Step 1: Write the proportion equation
299,578,135.70 : 449,367,203.55 = 84,167,383.70 : x - Step 2: Convert to fraction form
299,578,135.70/449,367,203.55 = 84,167,383.70/x - Step 3: Cross multiply
299,578,135.70x = 449,367,203.55 × 84,167,383.70 - Step 4: Simplify right side
299,578,135.70x = 37,822,061,843,388,856 - Step 5: Solve for x
x = 37,822,061,843,388,856/299,578,135.70 - Step 6: Final answer
x = 126,251,075.55
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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.