Finding the Fourth Proportional to 57,471,239.20, 86,206,858.80 and 51,235,664.80
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Solution
The fourth proportional to 57,471,239.20, 86,206,858.80 and 51,235,664.80 is: 76,853,497.20
Step by Step Solution
- Step 1: Write the proportion equation
57,471,239.20 : 86,206,858.80 = 51,235,664.80 : x - Step 2: Convert to fraction form
57,471,239.20/86,206,858.80 = 51,235,664.80/x - Step 3: Cross multiply
57,471,239.20x = 86,206,858.80 × 51,235,664.80 - Step 4: Simplify right side
57,471,239.20x = 4,416,865,720,937,730 - Step 5: Solve for x
x = 4,416,865,720,937,730/57,471,239.20 - Step 6: Final answer
x = 76,853,497.20
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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.