Finding the Fourth Proportional to 323,436,858.40, 485,218,273.20 and 93,413,447.20
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Solution
The fourth proportional to 323,436,858.40, 485,218,273.20 and 93,413,447.20 is: 140,138,361.99
Step by Step Solution
- Step 1: Write the proportion equation
323,436,858.40 : 485,218,273.20 = 93,413,447.20 : x - Step 2: Convert to fraction form
323,436,858.40/485,218,273.20 = 93,413,447.20/x - Step 3: Cross multiply
323,436,858.40x = 485,218,273.20 × 93,413,447.20 - Step 4: Simplify right side
323,436,858.40x = 45,325,911,544,043,376 - Step 5: Solve for x
x = 45,325,911,544,043,376/323,436,858.40 - Step 6: Final answer
x = 140,138,361.99
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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.