Finding the Fourth Proportional to 35,555,261.09, 49,070,242.29 and 20,086,342.18
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Solution
The fourth proportional to 35,555,261.09, 49,070,242.29 and 20,086,342.18 is: 27,721,401.76
Step by Step Solution
- Step 1: Write the proportion equation
35,555,261.09 : 49,070,242.29 = 20,086,342.18 : x - Step 2: Convert to fraction form
35,555,261.09/49,070,242.29 = 20,086,342.18/x - Step 3: Cross multiply
35,555,261.09x = 49,070,242.29 × 20,086,342.18 - Step 4: Simplify right side
35,555,261.09x = 985,641,677,551,626.50 - Step 5: Solve for x
x = 985,641,677,551,626.50/35,555,261.09 - Step 6: Final answer
x = 27,721,401.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.