Finding the Fourth Proportional to 186,719,381.86, 257,695,341.96 and 106,270,933.48
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Solution
The fourth proportional to 186,719,381.86, 257,695,341.96 and 106,270,933.48 is: 146,666,748.09
Step by Step Solution
- Step 1: Write the proportion equation
186,719,381.86 : 257,695,341.96 = 106,270,933.48 : x - Step 2: Convert to fraction form
186,719,381.86/257,695,341.96 = 106,270,933.48/x - Step 3: Cross multiply
186,719,381.86x = 257,695,341.96 × 106,270,933.48 - Step 4: Simplify right side
186,719,381.86x = 27,385,524,543,537,016 - Step 5: Solve for x
x = 27,385,524,543,537,016/186,719,381.86 - Step 6: Final answer
x = 146,666,748.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.