Finding the Fourth Proportional to 147,247,716.28, 220,847,652.96 and 69,524,470.84
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Solution
The fourth proportional to 147,247,716.28, 220,847,652.96 and 69,524,470.84 is: 104,275,411.51
Step by Step Solution
- Step 1: Write the proportion equation
147,247,716.28 : 220,847,652.96 = 69,524,470.84 : x - Step 2: Convert to fraction form
147,247,716.28/220,847,652.96 = 69,524,470.84/x - Step 3: Cross multiply
147,247,716.28x = 220,847,652.96 × 69,524,470.84 - Step 4: Simplify right side
147,247,716.28x = 15,354,316,208,299,962 - Step 5: Solve for x
x = 15,354,316,208,299,962/147,247,716.28 - Step 6: Final answer
x = 104,275,411.51
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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.