Finding the Fourth Proportional to 247,238,310.93, 341,188,025.49 and 135,726,373.95
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Solution
The fourth proportional to 247,238,310.93, 341,188,025.49 and 135,726,373.95 is: 187,301,932.94
Step by Step Solution
- Step 1: Write the proportion equation
247,238,310.93 : 341,188,025.49 = 135,726,373.95 : x - Step 2: Convert to fraction form
247,238,310.93/341,188,025.49 = 135,726,373.95/x - Step 3: Cross multiply
247,238,310.93x = 341,188,025.49 × 135,726,373.95 - Step 4: Simplify right side
247,238,310.93x = 46,308,213,534,917,872 - Step 5: Solve for x
x = 46,308,213,534,917,872/247,238,310.93 - Step 6: Final answer
x = 187,301,932.94
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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.