Finding the Fourth Proportional to 49,169,801.20, 73,754,701.80 and 18,464,321.20
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Solution
The fourth proportional to 49,169,801.20, 73,754,701.80 and 18,464,321.20 is: 27,696,481.80
Step by Step Solution
- Step 1: Write the proportion equation
49,169,801.20 : 73,754,701.80 = 18,464,321.20 : x - Step 2: Convert to fraction form
49,169,801.20/73,754,701.80 = 18,464,321.20/x - Step 3: Cross multiply
49,169,801.20x = 73,754,701.80 × 18,464,321.20 - Step 4: Simplify right side
49,169,801.20x = 1,361,830,504,045,418 - Step 5: Solve for x
x = 1,361,830,504,045,418/49,169,801.20 - Step 6: Final answer
x = 27,696,481.80
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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.