Finding the Fourth Proportional to 202,433,793.90, 279,359,015.61 and 113,125,738.68
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Solution
The fourth proportional to 202,433,793.90, 279,359,015.61 and 113,125,738.68 is: 156,113,731.75
Step by Step Solution
- Step 1: Write the proportion equation
202,433,793.90 : 279,359,015.61 = 113,125,738.68 : x - Step 2: Convert to fraction form
202,433,793.90/279,359,015.61 = 113,125,738.68/x - Step 3: Cross multiply
202,433,793.90x = 279,359,015.61 × 113,125,738.68 - Step 4: Simplify right side
202,433,793.90x = 31,602,694,997,798,904 - Step 5: Solve for x
x = 31,602,694,997,798,904/202,433,793.90 - Step 6: Final answer
x = 156,113,731.75
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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.