Finding the Fourth Proportional to 163,135,905.66, 225,132,334.74 and 88,801,314.66
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Solution
The fourth proportional to 163,135,905.66, 225,132,334.74 and 88,801,314.66 is: 122,548,418.86
Step by Step Solution
- Step 1: Write the proportion equation
163,135,905.66 : 225,132,334.74 = 88,801,314.66 : x - Step 2: Convert to fraction form
163,135,905.66/225,132,334.74 = 88,801,314.66/x - Step 3: Cross multiply
163,135,905.66x = 225,132,334.74 × 88,801,314.66 - Step 4: Simplify right side
163,135,905.66x = 19,992,047,297,387,188 - Step 5: Solve for x
x = 19,992,047,297,387,188/163,135,905.66 - Step 6: Final answer
x = 122,548,418.86
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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.