Finding the Fourth Proportional to 112,331,414.60, 168,497,121.90 and 54,860,553.80
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Solution
The fourth proportional to 112,331,414.60, 168,497,121.90 and 54,860,553.80 is: 82,290,830.70
Step by Step Solution
- Step 1: Write the proportion equation
112,331,414.60 : 168,497,121.90 = 54,860,553.80 : x - Step 2: Convert to fraction form
112,331,414.60/168,497,121.90 = 54,860,553.80/x - Step 3: Cross multiply
112,331,414.60x = 168,497,121.90 × 54,860,553.80 - Step 4: Simplify right side
112,331,414.60x = 9,243,845,421,140,108 - Step 5: Solve for x
x = 9,243,845,421,140,108/112,331,414.60 - Step 6: Final answer
x = 82,290,830.70
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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.