Finding the Fourth Proportional to 144,828,198.40, 217,242,297.60 and 83,606,195.20
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Solution
The fourth proportional to 144,828,198.40, 217,242,297.60 and 83,606,195.20 is: 125,409,292.80
Step by Step Solution
- Step 1: Write the proportion equation
144,828,198.40 : 217,242,297.60 = 83,606,195.20 : x - Step 2: Convert to fraction form
144,828,198.40/217,242,297.60 = 83,606,195.20/x - Step 3: Cross multiply
144,828,198.40x = 217,242,297.60 × 83,606,195.20 - Step 4: Simplify right side
144,828,198.40x = 18,162,801,938,842,092 - Step 5: Solve for x
x = 18,162,801,938,842,092/144,828,198.40 - Step 6: Final answer
x = 125,409,292.80
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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.