Finding the Fourth Proportional to 75,505,156.83, 104,244,988.37 and 51,702,615.09
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Solution
The fourth proportional to 75,505,156.83, 104,244,988.37 and 51,702,615.09 is: 71,382,389.43
Step by Step Solution
- Step 1: Write the proportion equation
75,505,156.83 : 104,244,988.37 = 51,702,615.09 : x - Step 2: Convert to fraction form
75,505,156.83/104,244,988.37 = 51,702,615.09/x - Step 3: Cross multiply
75,505,156.83x = 104,244,988.37 × 51,702,615.09 - Step 4: Simplify right side
75,505,156.83x = 5,389,738,508,497,124 - Step 5: Solve for x
x = 5,389,738,508,497,124/75,505,156.83 - Step 6: Final answer
x = 71,382,389.43
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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.