Finding the Fourth Proportional to 72,771,166.70, 109,156,750.05 and 34,507,414.70
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Solution
The fourth proportional to 72,771,166.70, 109,156,750.05 and 34,507,414.70 is: 51,761,122.05
Step by Step Solution
- Step 1: Write the proportion equation
72,771,166.70 : 109,156,750.05 = 34,507,414.70 : x - Step 2: Convert to fraction form
72,771,166.70/109,156,750.05 = 34,507,414.70/x - Step 3: Cross multiply
72,771,166.70x = 109,156,750.05 × 34,507,414.70 - Step 4: Simplify right side
72,771,166.70x = 3,766,717,241,279,596 - Step 5: Solve for x
x = 3,766,717,241,279,596/72,771,166.70 - Step 6: Final answer
x = 51,761,122.05
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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.