Finding the Fourth Proportional to 183,556,336.20, 253,299,984.06 and 99,922,728.12
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Solution
The fourth proportional to 183,556,336.20, 253,299,984.06 and 99,922,728.12 is: 137,889,140.54
Step by Step Solution
- Step 1: Write the proportion equation
183,556,336.20 : 253,299,984.06 = 99,922,728.12 : x - Step 2: Convert to fraction form
183,556,336.20/253,299,984.06 = 99,922,728.12/x - Step 3: Cross multiply
183,556,336.20x = 253,299,984.06 × 99,922,728.12 - Step 4: Simplify right side
183,556,336.20x = 25,310,425,440,027,716 - Step 5: Solve for x
x = 25,310,425,440,027,716/183,556,336.20 - Step 6: Final answer
x = 137,889,140.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.