Finding the Fourth Proportional to 143,632,583.07, 215,479,137.23 and 46,580,723.09
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Solution
The fourth proportional to 143,632,583.07, 215,479,137.23 and 46,580,723.09 is: 69,880,898.95
Step by Step Solution
- Step 1: Write the proportion equation
143,632,583.07 : 215,479,137.23 = 46,580,723.09 : x - Step 2: Convert to fraction form
143,632,583.07/215,479,137.23 = 46,580,723.09/x - Step 3: Cross multiply
143,632,583.07x = 215,479,137.23 × 46,580,723.09 - Step 4: Simplify right side
143,632,583.07x = 10,037,174,022,655,164 - Step 5: Solve for x
x = 10,037,174,022,655,164/143,632,583.07 - Step 6: Final answer
x = 69,880,898.95
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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.