Finding the Fourth Proportional to 242,570,408.80, 363,855,613.20 and 113,430,245.80
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Solution
The fourth proportional to 242,570,408.80, 363,855,613.20 and 113,430,245.80 is: 170,145,368.70
Step by Step Solution
- Step 1: Write the proportion equation
242,570,408.80 : 363,855,613.20 = 113,430,245.80 : x - Step 2: Convert to fraction form
242,570,408.80/363,855,613.20 = 113,430,245.80/x - Step 3: Cross multiply
242,570,408.80x = 363,855,613.20 × 113,430,245.80 - Step 4: Simplify right side
242,570,408.80x = 41,272,231,640,985,720 - Step 5: Solve for x
x = 41,272,231,640,985,720/242,570,408.80 - Step 6: Final answer
x = 170,145,368.70
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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.