Finding the Fourth Proportional to 68,848,021.71, 95,013,761.00 and 39,080,764.71
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Solution
The fourth proportional to 68,848,021.71, 95,013,761.00 and 39,080,764.71 is: 53,933,436.94
Step by Step Solution
- Step 1: Write the proportion equation
68,848,021.71 : 95,013,761.00 = 39,080,764.71 : x - Step 2: Convert to fraction form
68,848,021.71/95,013,761.00 = 39,080,764.71/x - Step 3: Cross multiply
68,848,021.71x = 95,013,761.00 × 39,080,764.71 - Step 4: Simplify right side
68,848,021.71x = 3,713,210,437,657,771 - Step 5: Solve for x
x = 3,713,210,437,657,771/68,848,021.71 - Step 6: Final answer
x = 53,933,436.94
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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.