Finding the Fourth Proportional to 85,313,450,626.09, 117,687,926,302.61 and 52,750,255,120.62
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Solution
The fourth proportional to 85,313,450,626.09, 117,687,926,302.61 and 52,750,255,120.62 is: 72,767,753,402.54
Step by Step Solution
- Step 1: Write the proportion equation
85,313,450,626.09 : 117,687,926,302.61 = 52,750,255,120.62 : x - Step 2: Convert to fraction form
85,313,450,626.09/117,687,926,302.61 = 52,750,255,120.62/x - Step 3: Cross multiply
85,313,450,626.09x = 117,687,926,302.61 × 52,750,255,120.62 - Step 4: Simplify right side
85,313,450,626.09x = 6,208,068,137,079,402,397,696 - Step 5: Solve for x
x = 6,208,068,137,079,402,397,696/85,313,450,626.09 - Step 6: Final answer
x = 72,767,753,402.54
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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.