Finding the Fourth Proportional to 275,205,482.46, 412,809,072.84 and 67,943,916.90
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Solution
The fourth proportional to 275,205,482.46, 412,809,072.84 and 67,943,916.90 is: 101,916,084.99
Step by Step Solution
- Step 1: Write the proportion equation
275,205,482.46 : 412,809,072.84 = 67,943,916.90 : x - Step 2: Convert to fraction form
275,205,482.46/412,809,072.84 = 67,943,916.90/x - Step 3: Cross multiply
275,205,482.46x = 412,809,072.84 × 67,943,916.90 - Step 4: Simplify right side
275,205,482.46x = 28,047,865,340,607,008 - Step 5: Solve for x
x = 28,047,865,340,607,008/275,205,482.46 - Step 6: Final answer
x = 101,916,084.99
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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.