Finding the Fourth Proportional to 87,841,557.22, 121,221,360.27 and 48,685,861.84
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Solution
The fourth proportional to 87,841,557.22, 121,221,360.27 and 48,685,861.84 is: 67,186,495.61
Step by Step Solution
- Step 1: Write the proportion equation
87,841,557.22 : 121,221,360.27 = 48,685,861.84 : x - Step 2: Convert to fraction form
87,841,557.22/121,221,360.27 = 48,685,861.84/x - Step 3: Cross multiply
87,841,557.22x = 121,221,360.27 × 48,685,861.84 - Step 4: Simplify right side
87,841,557.22x = 5,901,766,398,162,085 - Step 5: Solve for x
x = 5,901,766,398,162,085/87,841,557.22 - Step 6: Final answer
x = 67,186,495.61
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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.