Finding the Fourth Proportional to 99,385,501.20, 149,083,306.20 and 31,228,861.20
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Solution
The fourth proportional to 99,385,501.20, 149,083,306.20 and 31,228,861.20 is: 46,844,879.99
Step by Step Solution
- Step 1: Write the proportion equation
99,385,501.20 : 149,083,306.20 = 31,228,861.20 : x - Step 2: Convert to fraction form
99,385,501.20/149,083,306.20 = 31,228,861.20/x - Step 3: Cross multiply
99,385,501.20x = 149,083,306.20 × 31,228,861.20 - Step 4: Simplify right side
99,385,501.20x = 4,655,701,876,556,899 - Step 5: Solve for x
x = 4,655,701,876,556,899/99,385,501.20 - Step 6: Final answer
x = 46,844,879.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.