Finding the Fourth Proportional to 104,088,576.20, 143,707,526.58 and 66,983,324.12
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Solution
The fourth proportional to 104,088,576.20, 143,707,526.58 and 66,983,324.12 is: 92,479,003.78
Step by Step Solution
- Step 1: Write the proportion equation
104,088,576.20 : 143,707,526.58 = 66,983,324.12 : x - Step 2: Convert to fraction form
104,088,576.20/143,707,526.58 = 66,983,324.12/x - Step 3: Cross multiply
104,088,576.20x = 143,707,526.58 × 66,983,324.12 - Step 4: Simplify right side
104,088,576.20x = 9,626,007,831,391,656 - Step 5: Solve for x
x = 9,626,007,831,391,656/104,088,576.20 - Step 6: Final answer
x = 92,479,003.78
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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.