Finding the Fourth Proportional to 202,245,725.98, 279,019,686.87 and 117,458,410.97
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Solution
The fourth proportional to 202,245,725.98, 279,019,686.87 and 117,458,410.97 is: 162,046,485.23
Step by Step Solution
- Step 1: Write the proportion equation
202,245,725.98 : 279,019,686.87 = 117,458,410.97 : x - Step 2: Convert to fraction form
202,245,725.98/279,019,686.87 = 117,458,410.97/x - Step 3: Cross multiply
202,245,725.98x = 279,019,686.87 × 117,458,410.97 - Step 4: Simplify right side
202,245,725.98x = 32,773,209,047,895,396 - Step 5: Solve for x
x = 32,773,209,047,895,396/202,245,725.98 - Step 6: Final answer
x = 162,046,485.23
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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.