Finding the Fourth Proportional to 49,830,147.32, 68,765,793.43 and 27,804,575.08
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Solution
The fourth proportional to 49,830,147.32, 68,765,793.43 and 27,804,575.08 is: 38,370,419.69
Step by Step Solution
- Step 1: Write the proportion equation
49,830,147.32 : 68,765,793.43 = 27,804,575.08 : x - Step 2: Convert to fraction form
49,830,147.32/68,765,793.43 = 27,804,575.08/x - Step 3: Cross multiply
49,830,147.32x = 68,765,793.43 × 27,804,575.08 - Step 4: Simplify right side
49,830,147.32x = 1,912,003,666,016,377 - Step 5: Solve for x
x = 1,912,003,666,016,377/49,830,147.32 - Step 6: Final answer
x = 38,370,419.69
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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.