Finding the Fourth Proportional to 125,120,759.42, 187,680,763.68 and 31,747,550.15
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Solution
The fourth proportional to 125,120,759.42, 187,680,763.68 and 31,747,550.15 is: 47,621,229.95
Step by Step Solution
- Step 1: Write the proportion equation
125,120,759.42 : 187,680,763.68 = 31,747,550.15 : x - Step 2: Convert to fraction form
125,120,759.42/187,680,763.68 = 31,747,550.15/x - Step 3: Cross multiply
125,120,759.42x = 187,680,763.68 × 31,747,550.15 - Step 4: Simplify right side
125,120,759.42x = 5,958,404,456,182,695 - Step 5: Solve for x
x = 5,958,404,456,182,695/125,120,759.42 - Step 6: Final answer
x = 47,621,229.95
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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.