Finding the Fourth Proportional to 82,990,129.60, 124,401,213.60 and 48,893,924.80
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Solution
The fourth proportional to 82,990,129.60, 124,401,213.60 and 48,893,924.80 is: 73,291,409.62
Step by Step Solution
- Step 1: Write the proportion equation
82,990,129.60 : 124,401,213.60 = 48,893,924.80 : x - Step 2: Convert to fraction form
82,990,129.60/124,401,213.60 = 48,893,924.80/x - Step 3: Cross multiply
82,990,129.60x = 124,401,213.60 × 48,893,924.80 - Step 4: Simplify right side
82,990,129.60x = 6,082,463,582,787,137 - Step 5: Solve for x
x = 6,082,463,582,787,137/82,990,129.60 - Step 6: Final answer
x = 73,291,409.62
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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.