Finding the Fourth Proportional to 153,949,591.06, 212,448,744.33 and 83,383,445.68
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Solution
The fourth proportional to 153,949,591.06, 212,448,744.33 and 83,383,445.68 is: 115,068,238.96
Step by Step Solution
- Step 1: Write the proportion equation
153,949,591.06 : 212,448,744.33 = 83,383,445.68 : x - Step 2: Convert to fraction form
153,949,591.06/212,448,744.33 = 83,383,445.68/x - Step 3: Cross multiply
153,949,591.06x = 212,448,744.33 × 83,383,445.68 - Step 4: Simplify right side
153,949,591.06x = 17,714,708,332,624,766 - Step 5: Solve for x
x = 17,714,708,332,624,766/153,949,591.06 - Step 6: Final answer
x = 115,068,238.96
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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.