Finding the Fourth Proportional to 173,530,330.66, 260,123,061.97 and 87,004,649.98
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Solution
The fourth proportional to 173,530,330.66, 260,123,061.97 and 87,004,649.98 is: 130,420,519.99
Step by Step Solution
- Step 1: Write the proportion equation
173,530,330.66 : 260,123,061.97 = 87,004,649.98 : x - Step 2: Convert to fraction form
173,530,330.66/260,123,061.97 = 87,004,649.98/x - Step 3: Cross multiply
173,530,330.66x = 260,123,061.97 × 87,004,649.98 - Step 4: Simplify right side
173,530,330.66x = 22,631,915,958,425,700 - Step 5: Solve for x
x = 22,631,915,958,425,700/173,530,330.66 - Step 6: Final answer
x = 130,420,519.99
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1.5x scale
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.