Finding the Fourth Proportional to 67,715,396.40, 93,447,796.08 and 36,775,787.12
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Solution
The fourth proportional to 67,715,396.40, 93,447,796.08 and 36,775,787.12 is: 50,750,884.41
Step by Step Solution
- Step 1: Write the proportion equation
67,715,396.40 : 93,447,796.08 = 36,775,787.12 : x - Step 2: Convert to fraction form
67,715,396.40/93,447,796.08 = 36,775,787.12/x - Step 3: Cross multiply
67,715,396.40x = 93,447,796.08 × 36,775,787.12 - Step 4: Simplify right side
67,715,396.40x = 3,436,616,255,471,250 - Step 5: Solve for x
x = 3,436,616,255,471,250/67,715,396.40 - Step 6: Final answer
x = 50,750,884.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.