Finding the Fourth Proportional to 99,673,225.80, 149,537,832.30 and 48,556,912.20
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Solution
The fourth proportional to 99,673,225.80, 149,537,832.30 and 48,556,912.20 is: 72,849,005.69
Step by Step Solution
- Step 1: Write the proportion equation
99,673,225.80 : 149,537,832.30 = 48,556,912.20 : x - Step 2: Convert to fraction form
99,673,225.80/149,537,832.30 = 48,556,912.20/x - Step 3: Cross multiply
99,673,225.80x = 149,537,832.30 × 48,556,912.20 - Step 4: Simplify right side
99,673,225.80x = 7,261,095,393,569,425 - Step 5: Solve for x
x = 7,261,095,393,569,425/99,673,225.80 - Step 6: Final answer
x = 72,849,005.69
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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.