Finding the Fourth Proportional to 186,877,577.73, 257,883,251.25 and 107,486,601.69
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Solution
The fourth proportional to 186,877,577.73, 257,883,251.25 and 107,486,601.69 is: 148,327,020.54
Step by Step Solution
- Step 1: Write the proportion equation
186,877,577.73 : 257,883,251.25 = 107,486,601.69 : x - Step 2: Convert to fraction form
186,877,577.73/257,883,251.25 = 107,486,601.69/x - Step 3: Cross multiply
186,877,577.73x = 257,883,251.25 × 107,486,601.69 - Step 4: Simplify right side
186,877,577.73x = 27,718,994,309,630,944 - Step 5: Solve for x
x = 27,718,994,309,630,944/186,877,577.73 - Step 6: Final answer
x = 148,327,020.54
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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.