Finding the Fourth Proportional to 86,859,604.80, 130,206,463.20 and 32,257,569.60
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Solution
The fourth proportional to 86,859,604.80, 130,206,463.20 and 32,257,569.60 is: 48,355,550.99
Step by Step Solution
- Step 1: Write the proportion equation
86,859,604.80 : 130,206,463.20 = 32,257,569.60 : x - Step 2: Convert to fraction form
86,859,604.80/130,206,463.20 = 32,257,569.60/x - Step 3: Cross multiply
86,859,604.80x = 130,206,463.20 × 32,257,569.60 - Step 4: Simplify right side
86,859,604.80x = 4,200,144,049,043,839 - Step 5: Solve for x
x = 4,200,144,049,043,839/86,859,604.80 - Step 6: Final answer
x = 48,355,550.99
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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.