Finding the Fourth Proportional to 102,119,778.79, 152,383,180.35 and 91,114,324.58
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Solution
The fourth proportional to 102,119,778.79, 152,383,180.35 and 91,114,324.58 is: 135,960,836.58
Step by Step Solution
- Step 1: Write the proportion equation
102,119,778.79 : 152,383,180.35 = 91,114,324.58 : x - Step 2: Convert to fraction form
102,119,778.79/152,383,180.35 = 91,114,324.58/x - Step 3: Cross multiply
102,119,778.79x = 152,383,180.35 × 91,114,324.58 - Step 4: Simplify right side
102,119,778.79x = 13,884,290,555,665,214 - Step 5: Solve for x
x = 13,884,290,555,665,214/102,119,778.79 - Step 6: Final answer
x = 135,960,836.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.