Finding the Fourth Proportional to 330,804,944.60, 496,207,416.90 and 136,651,832.60
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Solution
The fourth proportional to 330,804,944.60, 496,207,416.90 and 136,651,832.60 is: 204,977,748.90
Step by Step Solution
- Step 1: Write the proportion equation
330,804,944.60 : 496,207,416.90 = 136,651,832.60 : x - Step 2: Convert to fraction form
330,804,944.60/496,207,416.90 = 136,651,832.60/x - Step 3: Cross multiply
330,804,944.60x = 496,207,416.90 × 136,651,832.60 - Step 4: Simplify right side
330,804,944.60x = 67,807,652,869,097,208 - Step 5: Solve for x
x = 67,807,652,869,097,208/330,804,944.60 - Step 6: Final answer
x = 204,977,748.90
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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.