Finding the Fourth Proportional to 83,558,930.40, 125,232,107.40 and 40,335,062.40
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Solution
The fourth proportional to 83,558,930.40, 125,232,107.40 and 40,335,062.40 is: 60,451,286.80
Step by Step Solution
- Step 1: Write the proportion equation
83,558,930.40 : 125,232,107.40 = 40,335,062.40 : x - Step 2: Convert to fraction form
83,558,930.40/125,232,107.40 = 40,335,062.40/x - Step 3: Cross multiply
83,558,930.40x = 125,232,107.40 × 40,335,062.40 - Step 4: Simplify right side
83,558,930.40x = 5,051,244,866,462,502 - Step 5: Solve for x
x = 5,051,244,866,462,502/83,558,930.40 - Step 6: Final answer
x = 60,451,286.80
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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.