Finding the Fourth Proportional to 201,170,257.24, 277,617,453.96 and 121,784,267.56
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Solution
The fourth proportional to 201,170,257.24, 277,617,453.96 and 121,784,267.56 is: 168,063,802.06
Step by Step Solution
- Step 1: Write the proportion equation
201,170,257.24 : 277,617,453.96 = 121,784,267.56 : x - Step 2: Convert to fraction form
201,170,257.24/277,617,453.96 = 121,784,267.56/x - Step 3: Cross multiply
201,170,257.24x = 277,617,453.96 × 121,784,267.56 - Step 4: Simplify right side
201,170,257.24x = 33,809,438,292,390,620 - Step 5: Solve for x
x = 33,809,438,292,390,620/201,170,257.24 - Step 6: Final answer
x = 168,063,802.06
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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.