Finding the Fourth Proportional to 96,705,610.80, 145,058,416.20 and 91,032,241.20
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Solution
The fourth proportional to 96,705,610.80, 145,058,416.20 and 91,032,241.20 is: 136,548,361.80
Step by Step Solution
- Step 1: Write the proportion equation
96,705,610.80 : 145,058,416.20 = 91,032,241.20 : x - Step 2: Convert to fraction form
96,705,610.80/145,058,416.20 = 91,032,241.20/x - Step 3: Cross multiply
96,705,610.80x = 145,058,416.20 × 91,032,241.20 - Step 4: Simplify right side
96,705,610.80x = 13,204,992,731,608,386 - Step 5: Solve for x
x = 13,204,992,731,608,386/96,705,610.80 - Step 6: Final answer
x = 136,548,361.80
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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.