Finding the Fourth Proportional to 99,799,514.70, 149,699,272.05 and 65,362,137.90
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Solution
The fourth proportional to 99,799,514.70, 149,699,272.05 and 65,362,137.90 is: 98,043,206.85
Step by Step Solution
- Step 1: Write the proportion equation
99,799,514.70 : 149,699,272.05 = 65,362,137.90 : x - Step 2: Convert to fraction form
99,799,514.70/149,699,272.05 = 65,362,137.90/x - Step 3: Cross multiply
99,799,514.70x = 149,699,272.05 × 65,362,137.90 - Step 4: Simplify right side
99,799,514.70x = 9,784,664,463,261,716 - Step 5: Solve for x
x = 9,784,664,463,261,716/99,799,514.70 - Step 6: Final answer
x = 98,043,206.85
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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.