Finding the Fourth Proportional to 87,421,641.44, 120,641,240.56 and 47,729,170.94
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Solution
The fourth proportional to 87,421,641.44, 120,641,240.56 and 47,729,170.94 is: 65,865,914.87
Step by Step Solution
- Step 1: Write the proportion equation
87,421,641.44 : 120,641,240.56 = 47,729,170.94 : x - Step 2: Convert to fraction form
87,421,641.44/120,641,240.56 = 47,729,170.94/x - Step 3: Cross multiply
87,421,641.44x = 120,641,240.56 × 47,729,170.94 - Step 4: Simplify right side
87,421,641.44x = 5,758,106,393,101,901 - Step 5: Solve for x
x = 5,758,106,393,101,901/87,421,641.44 - Step 6: Final answer
x = 65,865,914.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.