Finding the Fourth Proportional to 85,087,117.19, 117,418,626.90 and 52,044,939.09
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Solution
The fourth proportional to 85,087,117.19, 117,418,626.90 and 52,044,939.09 is: 71,821,040.45
Step by Step Solution
- Step 1: Write the proportion equation
85,087,117.19 : 117,418,626.90 = 52,044,939.09 : x - Step 2: Convert to fraction form
85,087,117.19/117,418,626.90 = 52,044,939.09/x - Step 3: Cross multiply
85,087,117.19x = 117,418,626.90 × 52,044,939.09 - Step 4: Simplify right side
85,087,117.19x = 6,111,045,284,858,118 - Step 5: Solve for x
x = 6,111,045,284,858,118/85,087,117.19 - Step 6: Final answer
x = 71,821,040.45
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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.