Finding the Fourth Proportional to 72,592,990.70, 108,889,486.05 and 36,313,285.10
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Solution
The fourth proportional to 72,592,990.70, 108,889,486.05 and 36,313,285.10 is: 54,469,927.65
Step by Step Solution
- Step 1: Write the proportion equation
72,592,990.70 : 108,889,486.05 = 36,313,285.10 : x - Step 2: Convert to fraction form
72,592,990.70/108,889,486.05 = 36,313,285.10/x - Step 3: Cross multiply
72,592,990.70x = 108,889,486.05 × 36,313,285.10 - Step 4: Simplify right side
72,592,990.70x = 3,954,134,951,326,123 - Step 5: Solve for x
x = 3,954,134,951,326,123/72,592,990.70 - Step 6: Final answer
x = 54,469,927.65
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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.