Finding the Fourth Proportional to 252,262,817.76, 378,407,735.76 and 79,726,502.88
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Solution
The fourth proportional to 252,262,817.76, 378,407,735.76 and 79,726,502.88 is: 119,594,023.82
Step by Step Solution
- Step 1: Write the proportion equation
252,262,817.76 : 378,407,735.76 = 79,726,502.88 : x - Step 2: Convert to fraction form
252,262,817.76/378,407,735.76 = 79,726,502.88/x - Step 3: Cross multiply
252,262,817.76x = 378,407,735.76 × 79,726,502.88 - Step 4: Simplify right side
252,262,817.76x = 30,169,125,434,883,916 - Step 5: Solve for x
x = 30,169,125,434,883,916/252,262,817.76 - Step 6: Final answer
x = 119,594,023.82
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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.