Finding the Fourth Proportional to 192,643,604.10, 289,437,265.35 and 144,867,860.10
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Solution
The fourth proportional to 192,643,604.10, 289,437,265.35 and 144,867,860.10 is: 217,656,627.95
Step by Step Solution
- Step 1: Write the proportion equation
192,643,604.10 : 289,437,265.35 = 144,867,860.10 : x - Step 2: Convert to fraction form
192,643,604.10/289,437,265.35 = 144,867,860.10/x - Step 3: Cross multiply
192,643,604.10x = 289,437,265.35 × 144,867,860.10 - Step 4: Simplify right side
192,643,604.10x = 41,930,157,264,450,376 - Step 5: Solve for x
x = 41,930,157,264,450,376/192,643,604.10 - Step 6: Final answer
x = 217,656,627.95
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1.5x scale
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.