Finding the Fourth Proportional to 80,496,556.70, 120,744,835.05 and 26,643,868.70
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Solution
The fourth proportional to 80,496,556.70, 120,744,835.05 and 26,643,868.70 is: 39,965,803.05
Step by Step Solution
- Step 1: Write the proportion equation
80,496,556.70 : 120,744,835.05 = 26,643,868.70 : x - Step 2: Convert to fraction form
80,496,556.70/120,744,835.05 = 26,643,868.70/x - Step 3: Cross multiply
80,496,556.70x = 120,744,835.05 × 26,643,868.70 - Step 4: Simplify right side
80,496,556.70x = 3,217,109,531,275,358 - Step 5: Solve for x
x = 3,217,109,531,275,358/80,496,556.70 - Step 6: Final answer
x = 39,965,803.05
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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.