Finding the Fourth Proportional to 112,125,625.80, 168,188,438.70 and 112,125,625.80
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Solution
The fourth proportional to 112,125,625.80, 168,188,438.70 and 112,125,625.80 is: 168,188,438.70
Step by Step Solution
- Step 1: Write the proportion equation
112,125,625.80 : 168,188,438.70 = 112,125,625.80 : x - Step 2: Convert to fraction form
112,125,625.80/168,188,438.70 = 112,125,625.80/x - Step 3: Cross multiply
112,125,625.80x = 168,188,438.70 × 112,125,625.80 - Step 4: Simplify right side
112,125,625.80x = 18,858,233,941,562,436 - Step 5: Solve for x
x = 18,858,233,941,562,436/112,125,625.80 - Step 6: Final answer
x = 168,188,438.70
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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.