Finding the Fourth Proportional to 107,816,753.60, 161,614,905.60 and 53,145,252.80
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Solution
The fourth proportional to 107,816,753.60, 161,614,905.60 and 53,145,252.80 is: 79,663,546.97
Step by Step Solution
- Step 1: Write the proportion equation
107,816,753.60 : 161,614,905.60 = 53,145,252.80 : x - Step 2: Convert to fraction form
107,816,753.60/161,614,905.60 = 53,145,252.80/x - Step 3: Cross multiply
107,816,753.60x = 161,614,905.60 × 53,145,252.80 - Step 4: Simplify right side
107,816,753.60x = 8,589,065,014,360,135 - Step 5: Solve for x
x = 8,589,065,014,360,135/107,816,753.60 - Step 6: Final answer
x = 79,663,546.97
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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.