Finding the Fourth Proportional to 99,794,006.70, 149,691,010.05 and 48,708,797.10
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Solution
The fourth proportional to 99,794,006.70, 149,691,010.05 and 48,708,797.10 is: 73,063,195.65
Step by Step Solution
- Step 1: Write the proportion equation
99,794,006.70 : 149,691,010.05 = 48,708,797.10 : x - Step 2: Convert to fraction form
99,794,006.70/149,691,010.05 = 48,708,797.10/x - Step 3: Cross multiply
99,794,006.70x = 149,691,010.05 × 48,708,797.10 - Step 4: Simplify right side
99,794,006.70x = 7,291,269,036,219,512 - Step 5: Solve for x
x = 7,291,269,036,219,512/99,794,006.70 - Step 6: Final answer
x = 73,063,195.65
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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.