Finding the Fourth Proportional to 73,653,288.42, 110,511,794.79 and 39,534,805.38
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Solution
The fourth proportional to 73,653,288.42, 110,511,794.79 and 39,534,805.38 is: 59,319,310.69
Step by Step Solution
- Step 1: Write the proportion equation
73,653,288.42 : 110,511,794.79 = 39,534,805.38 : x - Step 2: Convert to fraction form
73,653,288.42/110,511,794.79 = 39,534,805.38/x - Step 3: Cross multiply
73,653,288.42x = 110,511,794.79 × 39,534,805.38 - Step 4: Simplify right side
73,653,288.42x = 4,369,062,299,217,148.50 - Step 5: Solve for x
x = 4,369,062,299,217,148.50/73,653,288.42 - Step 6: Final answer
x = 59,319,310.69
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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.