Finding the Fourth Proportional to 195,135,938.44, 269,287,979.94 and 107,030,653.24
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Solution
The fourth proportional to 195,135,938.44, 269,287,979.94 and 107,030,653.24 is: 147,702,512.58
Step by Step Solution
- Step 1: Write the proportion equation
195,135,938.44 : 269,287,979.94 = 107,030,653.24 : x - Step 2: Convert to fraction form
195,135,938.44/269,287,979.94 = 107,030,653.24/x - Step 3: Cross multiply
195,135,938.44x = 269,287,979.94 × 107,030,653.24 - Step 4: Simplify right side
195,135,938.44x = 28,822,068,402,658,216 - Step 5: Solve for x
x = 28,822,068,402,658,216/195,135,938.44 - Step 6: Final answer
x = 147,702,512.58
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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.