Finding the Fourth Proportional to 86,502,121.92, 119,368,071.36 and 47,343,818.88
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Solution
The fourth proportional to 86,502,121.92, 119,368,071.36 and 47,343,818.88 is: 65,331,811.81
Step by Step Solution
- Step 1: Write the proportion equation
86,502,121.92 : 119,368,071.36 = 47,343,818.88 : x - Step 2: Convert to fraction form
86,502,121.92/119,368,071.36 = 47,343,818.88/x - Step 3: Cross multiply
86,502,121.92x = 119,368,071.36 × 47,343,818.88 - Step 4: Simplify right side
86,502,121.92x = 5,651,340,350,522,756 - Step 5: Solve for x
x = 5,651,340,350,522,756/86,502,121.92 - Step 6: Final answer
x = 65,331,811.81
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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.