Finding the Fourth Proportional to 87,451,317.60, 131,256,291.60 and 44,350,504.80
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Solution
The fourth proportional to 87,451,317.60, 131,256,291.60 and 44,350,504.80 is: 66,565,981.51
Step by Step Solution
- Step 1: Write the proportion equation
87,451,317.60 : 131,256,291.60 = 44,350,504.80 : x - Step 2: Convert to fraction form
87,451,317.60/131,256,291.60 = 44,350,504.80/x - Step 3: Cross multiply
87,451,317.60x = 131,256,291.60 × 44,350,504.80 - Step 4: Simplify right side
87,451,317.60x = 5,821,282,790,635,999 - Step 5: Solve for x
x = 5,821,282,790,635,999/87,451,317.60 - Step 6: Final answer
x = 66,565,981.51
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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.