Finding the Fourth Proportional to 64,551,672.63, 89,081,341.14 and 36,674,431.05
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Solution
The fourth proportional to 64,551,672.63, 89,081,341.14 and 36,674,431.05 is: 50,610,733.55
Step by Step Solution
- Step 1: Write the proportion equation
64,551,672.63 : 89,081,341.14 = 36,674,431.05 : x - Step 2: Convert to fraction form
64,551,672.63/89,081,341.14 = 36,674,431.05/x - Step 3: Cross multiply
64,551,672.63x = 89,081,341.14 × 36,674,431.05 - Step 4: Simplify right side
64,551,672.63x = 3,267,007,503,952,042.50 - Step 5: Solve for x
x = 3,267,007,503,952,042.50/64,551,672.63 - Step 6: Final answer
x = 50,610,733.55
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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.