Finding the Fourth Proportional to 45,990,290.11, 69,000,381.93 and 30,699,736.09
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Solution
The fourth proportional to 45,990,290.11, 69,000,381.93 and 30,699,736.09 is: 46,059,581.49
Step by Step Solution
- Step 1: Write the proportion equation
45,990,290.11 : 69,000,381.93 = 30,699,736.09 : x - Step 2: Convert to fraction form
45,990,290.11/69,000,381.93 = 30,699,736.09/x - Step 3: Cross multiply
45,990,290.11x = 69,000,381.93 × 30,699,736.09 - Step 4: Simplify right side
45,990,290.11x = 2,118,293,515,452,176.25 - Step 5: Solve for x
x = 2,118,293,515,452,176.25/45,990,290.11 - Step 6: Final answer
x = 46,059,581.49
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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.