Finding the Fourth Proportional to 54,951,454.40, 82,468,135.20 and 20,939,230.40
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Solution
The fourth proportional to 54,951,454.40, 82,468,135.20 and 20,939,230.40 is: 31,424,450.95
Step by Step Solution
- Step 1: Write the proportion equation
54,951,454.40 : 82,468,135.20 = 20,939,230.40 : x - Step 2: Convert to fraction form
54,951,454.40/82,468,135.20 = 20,939,230.40/x - Step 3: Cross multiply
54,951,454.40x = 82,468,135.20 × 20,939,230.40 - Step 4: Simplify right side
54,951,454.40x = 1,726,819,283,611,150 - Step 5: Solve for x
x = 1,726,819,283,611,150/54,951,454.40 - Step 6: Final answer
x = 31,424,450.95
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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.