Finding the Fourth Proportional to 394,559,188.20, 591,876,107.10 and 107,344,852.20
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Solution
The fourth proportional to 394,559,188.20, 591,876,107.10 and 107,344,852.20 is: 161,027,432.99
Step by Step Solution
- Step 1: Write the proportion equation
394,559,188.20 : 591,876,107.10 = 107,344,852.20 : x - Step 2: Convert to fraction form
394,559,188.20/591,876,107.10 = 107,344,852.20/x - Step 3: Cross multiply
394,559,188.20x = 591,876,107.10 × 107,344,852.20 - Step 4: Simplify right side
394,559,188.20x = 63,534,853,237,360,872 - Step 5: Solve for x
x = 63,534,853,237,360,872/394,559,188.20 - Step 6: Final answer
x = 161,027,432.99
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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.