Finding the Fourth Proportional to 121,135,640.10, 181,703,460.15 and 121,135,640.10
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Solution
The fourth proportional to 121,135,640.10, 181,703,460.15 and 121,135,640.10 is: 181,703,460.15
Step by Step Solution
- Step 1: Write the proportion equation
121,135,640.10 : 181,703,460.15 = 121,135,640.10 : x - Step 2: Convert to fraction form
121,135,640.10/181,703,460.15 = 121,135,640.10/x - Step 3: Cross multiply
121,135,640.10x = 181,703,460.15 × 121,135,640.10 - Step 4: Simplify right side
121,135,640.10x = 22,010,764,953,655,092 - Step 5: Solve for x
x = 22,010,764,953,655,092/121,135,640.10 - Step 6: Final answer
x = 181,703,460.15
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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.