Finding the Fourth Proportional to 99,739,095.71, 149,478,874.49 and 40,582,535.41
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Solution
The fourth proportional to 99,739,095.71, 149,478,874.49 and 40,582,535.41 is: 60,821,001.77
Step by Step Solution
- Step 1: Write the proportion equation
99,739,095.71 : 149,478,874.49 = 40,582,535.41 : x - Step 2: Convert to fraction form
99,739,095.71/149,478,874.49 = 40,582,535.41/x - Step 3: Cross multiply
99,739,095.71x = 149,478,874.49 × 40,582,535.41 - Step 4: Simplify right side
99,739,095.71x = 6,066,231,716,289,977 - Step 5: Solve for x
x = 6,066,231,716,289,977/99,739,095.71 - Step 6: Final answer
x = 60,821,001.77
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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.