Finding the Fourth Proportional to 137,268,198.22, 205,902,132.08 and 35,032,246.78
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Solution
The fourth proportional to 137,268,198.22, 205,902,132.08 and 35,032,246.78 is: 52,548,327.99
Step by Step Solution
- Step 1: Write the proportion equation
137,268,198.22 : 205,902,132.08 = 35,032,246.78 : x - Step 2: Convert to fraction form
137,268,198.22/205,902,132.08 = 35,032,246.78/x - Step 3: Cross multiply
137,268,198.22x = 205,902,132.08 × 35,032,246.78 - Step 4: Simplify right side
137,268,198.22x = 7,213,214,303,127,541 - Step 5: Solve for x
x = 7,213,214,303,127,541/137,268,198.22 - Step 6: Final answer
x = 52,548,327.99
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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.