Finding the Fourth Proportional to 299,385,938.70, 449,078,908.05 and 135,702,110.70
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Solution
The fourth proportional to 299,385,938.70, 449,078,908.05 and 135,702,110.70 is: 203,553,166.05
Step by Step Solution
- Step 1: Write the proportion equation
299,385,938.70 : 449,078,908.05 = 135,702,110.70 : x - Step 2: Convert to fraction form
299,385,938.70/449,078,908.05 = 135,702,110.70/x - Step 3: Cross multiply
299,385,938.70x = 449,078,908.05 × 135,702,110.70 - Step 4: Simplify right side
299,385,938.70x = 60,940,955,693,236,216 - Step 5: Solve for x
x = 60,940,955,693,236,216/299,385,938.70 - Step 6: Final answer
x = 203,553,166.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.