Finding the Fourth Proportional to 186,699,171.62, 257,659,101.70 and 103,083,422.42
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Solution
The fourth proportional to 186,699,171.62, 257,659,101.70 and 103,083,422.42 is: 142,262,988.05
Step by Step Solution
- Step 1: Write the proportion equation
186,699,171.62 : 257,659,101.70 = 103,083,422.42 : x - Step 2: Convert to fraction form
186,699,171.62/257,659,101.70 = 103,083,422.42/x - Step 3: Cross multiply
186,699,171.62x = 257,659,101.70 × 103,083,422.42 - Step 4: Simplify right side
186,699,171.62x = 26,560,382,020,898,840 - Step 5: Solve for x
x = 26,560,382,020,898,840/186,699,171.62 - Step 6: Final answer
x = 142,262,988.05
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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.