Finding the Fourth Proportional to 75,672,747.16, 104,428,389.27 and 40,865,434.75
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Solution
The fourth proportional to 75,672,747.16, 104,428,389.27 and 40,865,434.75 is: 56,394,298.98
Step by Step Solution
- Step 1: Write the proportion equation
75,672,747.16 : 104,428,389.27 = 40,865,434.75 : x - Step 2: Convert to fraction form
75,672,747.16/104,428,389.27 = 40,865,434.75/x - Step 3: Cross multiply
75,672,747.16x = 104,428,389.27 × 40,865,434.75 - Step 4: Simplify right side
75,672,747.16x = 4,267,511,527,760,785 - Step 5: Solve for x
x = 4,267,511,527,760,785/75,672,747.16 - Step 6: Final answer
x = 56,394,298.98
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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.