Finding the Fourth Proportional to 82,990,315.60, 124,401,492.60 and 48,894,110.80
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Solution
The fourth proportional to 82,990,315.60, 124,401,492.60 and 48,894,110.80 is: 73,291,688.54
Step by Step Solution
- Step 1: Write the proportion equation
82,990,315.60 : 124,401,492.60 = 48,894,110.80 : x - Step 2: Convert to fraction form
82,990,315.60/124,401,492.60 = 48,894,110.80/x - Step 3: Cross multiply
82,990,315.60x = 124,401,492.60 × 48,894,110.80 - Step 4: Simplify right side
82,990,315.60x = 6,082,500,362,869,779 - Step 5: Solve for x
x = 6,082,500,362,869,779/82,990,315.60 - Step 6: Final answer
x = 73,291,688.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.