Finding the Fourth Proportional to 49,683,872.16, 68,558,935.68 and 36,638,154.72
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Solution
The fourth proportional to 49,683,872.16, 68,558,935.68 and 36,638,154.72 is: 50,557,108.04
Step by Step Solution
- Step 1: Write the proportion equation
49,683,872.16 : 68,558,935.68 = 36,638,154.72 : x - Step 2: Convert to fraction form
49,683,872.16/68,558,935.68 = 36,638,154.72/x - Step 3: Cross multiply
49,683,872.16x = 68,558,935.68 × 36,638,154.72 - Step 4: Simplify right side
49,683,872.16x = 2,511,872,892,882,368.50 - Step 5: Solve for x
x = 2,511,872,892,882,368.50/49,683,872.16 - Step 6: Final answer
x = 50,557,108.04
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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.