Finding the Fourth Proportional to 110,373,551.20, 165,418,609.20 and 84,687,236.20
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Solution
The fourth proportional to 110,373,551.20, 165,418,609.20 and 84,687,236.20 is: 126,922,117.45
Step by Step Solution
- Step 1: Write the proportion equation
110,373,551.20 : 165,418,609.20 = 84,687,236.20 : x - Step 2: Convert to fraction form
110,373,551.20/165,418,609.20 = 84,687,236.20/x - Step 3: Cross multiply
110,373,551.20x = 165,418,609.20 × 84,687,236.20 - Step 4: Simplify right side
110,373,551.20x = 14,008,844,829,195,892 - Step 5: Solve for x
x = 14,008,844,829,195,892/110,373,551.20 - Step 6: Final answer
x = 126,922,117.45
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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.