Finding the Fourth Proportional to 202,571,504.77, 279,463,075.94 and 135,612,036.23
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Solution
The fourth proportional to 202,571,504.77, 279,463,075.94 and 135,612,036.23 is: 187,087,304.42
Step by Step Solution
- Step 1: Write the proportion equation
202,571,504.77 : 279,463,075.94 = 135,612,036.23 : x - Step 2: Convert to fraction form
202,571,504.77/279,463,075.94 = 135,612,036.23/x - Step 3: Cross multiply
202,571,504.77x = 279,463,075.94 × 135,612,036.23 - Step 4: Simplify right side
202,571,504.77x = 37,898,556,778,659,024 - Step 5: Solve for x
x = 37,898,556,778,659,024/202,571,504.77 - Step 6: Final answer
x = 187,087,304.42
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1.5x scale
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.