Finding the Fourth Proportional to 87,492,122.08, 131,114,967.53 and 66,942,282.76
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Solution
The fourth proportional to 87,492,122.08, 131,114,967.53 and 66,942,282.76 is: 100,319,148.99
Step by Step Solution
- Step 1: Write the proportion equation
87,492,122.08 : 131,114,967.53 = 66,942,282.76 : x - Step 2: Convert to fraction form
87,492,122.08/131,114,967.53 = 66,942,282.76/x - Step 3: Cross multiply
87,492,122.08x = 131,114,967.53 × 66,942,282.76 - Step 4: Simplify right side
87,492,122.08x = 8,777,135,230,461,479 - Step 5: Solve for x
x = 8,777,135,230,461,479/87,492,122.08 - Step 6: Final answer
x = 100,319,148.99
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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.