Finding the Fourth Proportional to 43,802,960.51, 65,711,526.65 and 18,246,553.31
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Solution
The fourth proportional to 43,802,960.51, 65,711,526.65 and 18,246,553.31 is: 27,372,781.65
Step by Step Solution
- Step 1: Write the proportion equation
43,802,960.51 : 65,711,526.65 = 18,246,553.31 : x - Step 2: Convert to fraction form
43,802,960.51/65,711,526.65 = 18,246,553.31/x - Step 3: Cross multiply
43,802,960.51x = 65,711,526.65 × 18,246,553.31 - Step 4: Simplify right side
43,802,960.51x = 1,199,008,873,680,920.25 - Step 5: Solve for x
x = 1,199,008,873,680,920.25/43,802,960.51 - Step 6: Final answer
x = 27,372,781.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.