Finding the Fourth Proportional to 120,310,305.60, 180,465,458.40 and 29,433,894.60
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Solution
The fourth proportional to 120,310,305.60, 180,465,458.40 and 29,433,894.60 is: 44,150,841.90
Step by Step Solution
- Step 1: Write the proportion equation
120,310,305.60 : 180,465,458.40 = 29,433,894.60 : x - Step 2: Convert to fraction form
120,310,305.60/180,465,458.40 = 29,433,894.60/x - Step 3: Cross multiply
120,310,305.60x = 180,465,458.40 × 29,433,894.60 - Step 4: Simplify right side
120,310,305.60x = 5,311,801,281,486,285 - Step 5: Solve for x
x = 5,311,801,281,486,285/120,310,305.60 - Step 6: Final answer
x = 44,150,841.90
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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.