Finding the Fourth Proportional to 342,957,021.04, 473,271,475.09 and 201,836,544.40
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Solution
The fourth proportional to 342,957,021.04, 473,271,475.09 and 201,836,544.40 is: 278,529,008.69
Step by Step Solution
- Step 1: Write the proportion equation
342,957,021.04 : 473,271,475.09 = 201,836,544.40 : x - Step 2: Convert to fraction form
342,957,021.04/473,271,475.09 = 201,836,544.40/x - Step 3: Cross multiply
342,957,021.04x = 473,271,475.09 × 201,836,544.40 - Step 4: Simplify right side
342,957,021.04x = 95,523,479,095,256,272 - Step 5: Solve for x
x = 95,523,479,095,256,272/342,957,021.04 - Step 6: Final answer
x = 278,529,008.69
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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.