Finding the Fourth Proportional to 88,573,676.40, 132,860,514.60 and 61,310,753.10
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Solution
The fourth proportional to 88,573,676.40, 132,860,514.60 and 61,310,753.10 is: 91,966,129.65
Step by Step Solution
- Step 1: Write the proportion equation
88,573,676.40 : 132,860,514.60 = 61,310,753.10 : x - Step 2: Convert to fraction form
88,573,676.40/132,860,514.60 = 61,310,753.10/x - Step 3: Cross multiply
88,573,676.40x = 132,860,514.60 × 61,310,753.10 - Step 4: Simplify right side
88,573,676.40x = 8,145,778,207,379,545 - Step 5: Solve for x
x = 8,145,778,207,379,545/88,573,676.40 - Step 6: Final answer
x = 91,966,129.65
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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.