Finding the Fourth Proportional to 137,054,243.68, 189,177,207.84 and 88,161,671.68
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Solution
The fourth proportional to 137,054,243.68, 189,177,207.84 and 88,161,671.68 is: 121,690,350.03
Step by Step Solution
- Step 1: Write the proportion equation
137,054,243.68 : 189,177,207.84 = 88,161,671.68 : x - Step 2: Convert to fraction form
137,054,243.68/189,177,207.84 = 88,161,671.68/x - Step 3: Cross multiply
137,054,243.68x = 189,177,207.84 × 88,161,671.68 - Step 4: Simplify right side
137,054,243.68x = 16,678,178,886,929,204 - Step 5: Solve for x
x = 16,678,178,886,929,204/137,054,243.68 - Step 6: Final answer
x = 121,690,350.03
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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.