Finding the Fourth Proportional to 112,135,205.80, 168,202,808.70 and 30,253,925.80
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Solution
The fourth proportional to 112,135,205.80, 168,202,808.70 and 30,253,925.80 is: 45,380,888.70
Step by Step Solution
- Step 1: Write the proportion equation
112,135,205.80 : 168,202,808.70 = 30,253,925.80 : x - Step 2: Convert to fraction form
112,135,205.80/168,202,808.70 = 30,253,925.80/x - Step 3: Cross multiply
112,135,205.80x = 168,202,808.70 × 30,253,925.80 - Step 4: Simplify right side
112,135,205.80x = 5,088,795,293,761,394 - Step 5: Solve for x
x = 5,088,795,293,761,394/112,135,205.80 - Step 6: Final answer
x = 45,380,888.70
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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.