Finding the Fourth Proportional to 136,486,925.26, 204,730,387.90 and 45,610,514.26
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Solution
The fourth proportional to 136,486,925.26, 204,730,387.90 and 45,610,514.26 is: 68,415,771.39
Step by Step Solution
- Step 1: Write the proportion equation
136,486,925.26 : 204,730,387.90 = 45,610,514.26 : x - Step 2: Convert to fraction form
136,486,925.26/204,730,387.90 = 45,610,514.26/x - Step 3: Cross multiply
136,486,925.26x = 204,730,387.90 × 45,610,514.26 - Step 4: Simplify right side
136,486,925.26x = 9,337,858,276,768,282 - Step 5: Solve for x
x = 9,337,858,276,768,282/136,486,925.26 - Step 6: Final answer
x = 68,415,771.39
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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.