Finding the Fourth Proportional to 88,904,357.68, 133,183,984.36 and 65,518,629.20
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Solution
The fourth proportional to 88,904,357.68, 133,183,984.36 and 65,518,629.20 is: 98,150,780.39
Step by Step Solution
- Step 1: Write the proportion equation
88,904,357.68 : 133,183,984.36 = 65,518,629.20 : x - Step 2: Convert to fraction form
88,904,357.68/133,183,984.36 = 65,518,629.20/x - Step 3: Cross multiply
88,904,357.68x = 133,183,984.36 × 65,518,629.20 - Step 4: Simplify right side
88,904,357.68x = 8,726,032,086,661,440 - Step 5: Solve for x
x = 8,726,032,086,661,440/88,904,357.68 - Step 6: Final answer
x = 98,150,780.39
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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.