Finding the Fourth Proportional to 146,351,939, 201,965,964.52 and 80,272,975.12
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Solution
The fourth proportional to 146,351,939, 201,965,964.52 and 80,272,975.12 is: 110,776,864.02
Step by Step Solution
- Step 1: Write the proportion equation
146,351,939 : 201,965,964.52 = 80,272,975.12 : x - Step 2: Convert to fraction form
146,351,939/201,965,964.52 = 80,272,975.12/x - Step 3: Cross multiply
146,351,939x = 201,965,964.52 × 80,272,975.12 - Step 4: Simplify right side
146,351,939x = 16,212,408,845,000,764 - Step 5: Solve for x
x = 16,212,408,845,000,764/146,351,939 - Step 6: Final answer
x = 110,776,864.02
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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.