Finding the Fourth Proportional to 88,706,212.80, 133,059,319.20 and 31,198,027.20
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Solution
The fourth proportional to 88,706,212.80, 133,059,319.20 and 31,198,027.20 is: 46,797,040.80
Step by Step Solution
- Step 1: Write the proportion equation
88,706,212.80 : 133,059,319.20 = 31,198,027.20 : x - Step 2: Convert to fraction form
88,706,212.80/133,059,319.20 = 31,198,027.20/x - Step 3: Cross multiply
88,706,212.80x = 133,059,319.20 × 31,198,027.20 - Step 4: Simplify right side
88,706,212.80x = 4,151,188,259,615,082 - Step 5: Solve for x
x = 4,151,188,259,615,082/88,706,212.80 - Step 6: Final answer
x = 46,797,040.80
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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.