Finding the Fourth Proportional to 299,974,348.84, 449,916,059.46 and 81,641,704.72
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Solution
The fourth proportional to 299,974,348.84, 449,916,059.46 and 81,641,704.72 is: 122,450,183.55
Step by Step Solution
- Step 1: Write the proportion equation
299,974,348.84 : 449,916,059.46 = 81,641,704.72 : x - Step 2: Convert to fraction form
299,974,348.84/449,916,059.46 = 81,641,704.72/x - Step 3: Cross multiply
299,974,348.84x = 449,916,059.46 × 81,641,704.72 - Step 4: Simplify right side
299,974,348.84x = 36,731,914,075,219,280 - Step 5: Solve for x
x = 36,731,914,075,219,280/299,974,348.84 - Step 6: Final answer
x = 122,450,183.55
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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.