Finding the Fourth Proportional to 87,380,314.20, 131,154,452.10 and 44,298,163.80
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Solution
The fourth proportional to 87,380,314.20, 131,154,452.10 and 44,298,163.80 is: 66,489,820.45
Step by Step Solution
- Step 1: Write the proportion equation
87,380,314.20 : 131,154,452.10 = 44,298,163.80 : x - Step 2: Convert to fraction form
87,380,314.20/131,154,452.10 = 44,298,163.80/x - Step 3: Cross multiply
87,380,314.20x = 131,154,452.10 × 44,298,163.80 - Step 4: Simplify right side
87,380,314.20x = 5,809,901,402,225,053 - Step 5: Solve for x
x = 5,809,901,402,225,053/87,380,314.20 - Step 6: Final answer
x = 66,489,820.45
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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.