Finding the Fourth Proportional to 64,723,414.20, 97,085,121.30 and 39,325,961.40
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Solution
The fourth proportional to 64,723,414.20, 97,085,121.30 and 39,325,961.40 is: 58,988,942.10
Step by Step Solution
- Step 1: Write the proportion equation
64,723,414.20 : 97,085,121.30 = 39,325,961.40 : x - Step 2: Convert to fraction form
64,723,414.20/97,085,121.30 = 39,325,961.40/x - Step 3: Cross multiply
64,723,414.20x = 97,085,121.30 × 39,325,961.40 - Step 4: Simplify right side
64,723,414.20x = 3,817,965,732,758,117.50 - Step 5: Solve for x
x = 3,817,965,732,758,117.50/64,723,414.20 - Step 6: Final answer
x = 58,988,942.10
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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.