Finding the Fourth Proportional to 187,086,515.97, 258,181,062.63 and 103,460,305.22
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Solution
The fourth proportional to 187,086,515.97, 258,181,062.63 and 103,460,305.22 is: 142,776,145.05
Step by Step Solution
- Step 1: Write the proportion equation
187,086,515.97 : 258,181,062.63 = 103,460,305.22 : x - Step 2: Convert to fraction form
187,086,515.97/258,181,062.63 = 103,460,305.22/x - Step 3: Cross multiply
187,086,515.97x = 258,181,062.63 × 103,460,305.22 - Step 4: Simplify right side
187,086,515.97x = 26,711,491,541,011,996 - Step 5: Solve for x
x = 26,711,491,541,011,996/187,086,515.97 - Step 6: Final answer
x = 142,776,145.05
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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.