Finding the Fourth Proportional to 121,394,995.20, 182,092,492.80 and 121,394,995.20
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Solution
The fourth proportional to 121,394,995.20, 182,092,492.80 and 121,394,995.20 is: 182,092,492.80
Step by Step Solution
- Step 1: Write the proportion equation
121,394,995.20 : 182,092,492.80 = 121,394,995.20 : x - Step 2: Convert to fraction form
121,394,995.20/182,092,492.80 = 121,394,995.20/x - Step 3: Cross multiply
121,394,995.20x = 182,092,492.80 × 121,394,995.20 - Step 4: Simplify right side
121,394,995.20x = 22,105,117,289,412,036 - Step 5: Solve for x
x = 22,105,117,289,412,036/121,394,995.20 - Step 6: Final answer
x = 182,092,492.80
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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.