Finding the Fourth Proportional to 121,617,472.80, 182,171,847.60 and 56,976,448.80
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Solution
The fourth proportional to 121,617,472.80, 182,171,847.60 and 56,976,448.80 is: 85,345,507.59
Step by Step Solution
- Step 1: Write the proportion equation
121,617,472.80 : 182,171,847.60 = 56,976,448.80 : x - Step 2: Convert to fraction form
121,617,472.80/182,171,847.60 = 56,976,448.80/x - Step 3: Cross multiply
121,617,472.80x = 182,171,847.60 × 56,976,448.80 - Step 4: Simplify right side
121,617,472.80x = 10,379,504,947,582,802 - Step 5: Solve for x
x = 10,379,504,947,582,802/121,617,472.80 - Step 6: Final answer
x = 85,345,507.59
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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.