Finding the Fourth Proportional to 180,582,812.80, 270,874,219.20 and 65,571,107.20
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Solution
The fourth proportional to 180,582,812.80, 270,874,219.20 and 65,571,107.20 is: 98,356,660.80
Step by Step Solution
- Step 1: Write the proportion equation
180,582,812.80 : 270,874,219.20 = 65,571,107.20 : x - Step 2: Convert to fraction form
180,582,812.80/270,874,219.20 = 65,571,107.20/x - Step 3: Cross multiply
180,582,812.80x = 270,874,219.20 × 65,571,107.20 - Step 4: Simplify right side
180,582,812.80x = 17,761,522,464,879,498 - Step 5: Solve for x
x = 17,761,522,464,879,498/180,582,812.80 - Step 6: Final answer
x = 98,356,660.80
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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.