Finding the Fourth Proportional to 193,430,517.88, 290,184,068.60 and 55,257,318.04
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Solution
The fourth proportional to 193,430,517.88, 290,184,068.60 and 55,257,318.04 is: 82,896,915.88
Step by Step Solution
- Step 1: Write the proportion equation
193,430,517.88 : 290,184,068.60 = 55,257,318.04 : x - Step 2: Convert to fraction form
193,430,517.88/290,184,068.60 = 55,257,318.04/x - Step 3: Cross multiply
193,430,517.88x = 290,184,068.60 × 55,257,318.04 - Step 4: Simplify right side
193,430,517.88x = 16,034,793,368,771,378 - Step 5: Solve for x
x = 16,034,793,368,771,378/193,430,517.88 - Step 6: Final answer
x = 82,896,915.88
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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.