Finding the Fourth Proportional to 86,987,832.94, 130,532,629.97 and 32,438,104.30
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Solution
The fourth proportional to 86,987,832.94, 130,532,629.97 and 32,438,104.30 is: 48,676,130.01
Step by Step Solution
- Step 1: Write the proportion equation
86,987,832.94 : 130,532,629.97 = 32,438,104.30 : x - Step 2: Convert to fraction form
86,987,832.94/130,532,629.97 = 32,438,104.30/x - Step 3: Cross multiply
86,987,832.94x = 130,532,629.97 × 32,438,104.30 - Step 4: Simplify right side
86,987,832.94x = 4,234,231,065,520,166 - Step 5: Solve for x
x = 4,234,231,065,520,166/86,987,832.94 - Step 6: Final answer
x = 48,676,130.01
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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.