Finding the Fourth Proportional to 272,498,529.88, 408,743,944.98 and 126,850,628.44
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Solution
The fourth proportional to 272,498,529.88, 408,743,944.98 and 126,850,628.44 is: 190,274,150.52
Step by Step Solution
- Step 1: Write the proportion equation
272,498,529.88 : 408,743,944.98 = 126,850,628.44 : x - Step 2: Convert to fraction form
272,498,529.88/408,743,944.98 = 126,850,628.44/x - Step 3: Cross multiply
272,498,529.88x = 408,743,944.98 × 126,850,628.44 - Step 4: Simplify right side
272,498,529.88x = 51,849,426,291,757,784 - Step 5: Solve for x
x = 51,849,426,291,757,784/272,498,529.88 - Step 6: Final answer
x = 190,274,150.52
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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.