Finding the Fourth Proportional to 61,205,421.70, 91,858,324.20 and 60,727,124.80
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Solution
The fourth proportional to 61,205,421.70, 91,858,324.20 and 60,727,124.80 is: 91,140,486.62
Step by Step Solution
- Step 1: Write the proportion equation
61,205,421.70 : 91,858,324.20 = 60,727,124.80 : x - Step 2: Convert to fraction form
61,205,421.70/91,858,324.20 = 60,727,124.80/x - Step 3: Cross multiply
61,205,421.70x = 91,858,324.20 × 60,727,124.80 - Step 4: Simplify right side
61,205,421.70x = 5,578,291,917,612,260 - Step 5: Solve for x
x = 5,578,291,917,612,260/61,205,421.70 - Step 6: Final answer
x = 91,140,486.62
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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.