Finding the Fourth Proportional to 201,170,258.24, 277,617,455.34 and 121,784,268.56
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Solution
The fourth proportional to 201,170,258.24, 277,617,455.34 and 121,784,268.56 is: 168,063,803.44
Step by Step Solution
- Step 1: Write the proportion equation
201,170,258.24 : 277,617,455.34 = 121,784,268.56 : x - Step 2: Convert to fraction form
201,170,258.24/277,617,455.34 = 121,784,268.56/x - Step 3: Cross multiply
201,170,258.24x = 277,617,455.34 × 121,784,268.56 - Step 4: Simplify right side
201,170,258.24x = 33,809,438,738,070,364 - Step 5: Solve for x
x = 33,809,438,738,070,364/201,170,258.24 - Step 6: Final answer
x = 168,063,803.44
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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.