Finding the Fourth Proportional to 60,715,397.54, 83,787,358.84 and 33,213,325.79
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Solution
The fourth proportional to 60,715,397.54, 83,787,358.84 and 33,213,325.79 is: 45,834,449.89
Step by Step Solution
- Step 1: Write the proportion equation
60,715,397.54 : 83,787,358.84 = 33,213,325.79 : x - Step 2: Convert to fraction form
60,715,397.54/83,787,358.84 = 33,213,325.79/x - Step 3: Cross multiply
60,715,397.54x = 83,787,358.84 × 33,213,325.79 - Step 4: Simplify right side
60,715,397.54x = 2,782,856,846,362,992 - Step 5: Solve for x
x = 2,782,856,846,362,992/60,715,397.54 - Step 6: Final answer
x = 45,834,449.89
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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.