Finding the Fourth Proportional to 136,257,907.80, 204,386,861.70 and 136,257,907.80
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Solution
The fourth proportional to 136,257,907.80, 204,386,861.70 and 136,257,907.80 is: 204,386,861.70
Step by Step Solution
- Step 1: Write the proportion equation
136,257,907.80 : 204,386,861.70 = 136,257,907.80 : x - Step 2: Convert to fraction form
136,257,907.80/204,386,861.70 = 136,257,907.80/x - Step 3: Cross multiply
136,257,907.80x = 204,386,861.70 × 136,257,907.80 - Step 4: Simplify right side
136,257,907.80x = 27,849,326,157,049,952 - Step 5: Solve for x
x = 27,849,326,157,049,952/136,257,907.80 - Step 6: Final answer
x = 204,386,861.70
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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.