Finding the Fourth Proportional to 88,129,058.80, 132,193,588.20 and 82,157,090.80
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Solution
The fourth proportional to 88,129,058.80, 132,193,588.20 and 82,157,090.80 is: 123,235,636.20
Step by Step Solution
- Step 1: Write the proportion equation
88,129,058.80 : 132,193,588.20 = 82,157,090.80 : x - Step 2: Convert to fraction form
88,129,058.80/132,193,588.20 = 82,157,090.80/x - Step 3: Cross multiply
88,129,058.80x = 132,193,588.20 × 82,157,090.80 - Step 4: Simplify right side
88,129,058.80x = 10,860,640,628,925,208 - Step 5: Solve for x
x = 10,860,640,628,925,208/88,129,058.80 - Step 6: Final answer
x = 123,235,636.20
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1.5x scale
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.