Finding the Fourth Proportional to 295,487,957.80, 443,231,936.70 and 134,244,821.80
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Solution
The fourth proportional to 295,487,957.80, 443,231,936.70 and 134,244,821.80 is: 201,367,232.70
Step by Step Solution
- Step 1: Write the proportion equation
295,487,957.80 : 443,231,936.70 = 134,244,821.80 : x - Step 2: Convert to fraction form
295,487,957.80/443,231,936.70 = 134,244,821.80/x - Step 3: Cross multiply
295,487,957.80x = 443,231,936.70 × 134,244,821.80 - Step 4: Simplify right side
295,487,957.80x = 59,501,592,358,360,384 - Step 5: Solve for x
x = 59,501,592,358,360,384/295,487,957.80 - Step 6: Final answer
x = 201,367,232.70
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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.