Finding the Fourth Proportional to 87,501,224.65, 120,752,957.10 and 48,343,901.98
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Solution
The fourth proportional to 87,501,224.65, 120,752,957.10 and 48,343,901.98 is: 66,715,284.79
Step by Step Solution
- Step 1: Write the proportion equation
87,501,224.65 : 120,752,957.10 = 48,343,901.98 : x - Step 2: Convert to fraction form
87,501,224.65/120,752,957.10 = 48,343,901.98/x - Step 3: Cross multiply
87,501,224.65x = 120,752,957.10 × 48,343,901.98 - Step 4: Simplify right side
87,501,224.65x = 5,837,669,121,837,544 - Step 5: Solve for x
x = 5,837,669,121,837,544/87,501,224.65 - Step 6: Final answer
x = 66,715,284.79
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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.