Finding the Fourth Proportional to 54,001,026.71, 74,521,614.45 and 29,221,213.82
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Solution
The fourth proportional to 54,001,026.71, 74,521,614.45 and 29,221,213.82 is: 40,325,381.99
Step by Step Solution
- Step 1: Write the proportion equation
54,001,026.71 : 74,521,614.45 = 29,221,213.82 : x - Step 2: Convert to fraction form
54,001,026.71/74,521,614.45 = 29,221,213.82/x - Step 3: Cross multiply
54,001,026.71x = 74,521,614.45 × 29,221,213.82 - Step 4: Simplify right side
54,001,026.71x = 2,177,612,030,055,051.75 - Step 5: Solve for x
x = 2,177,612,030,055,051.75/54,001,026.71 - Step 6: Final answer
x = 40,325,381.99
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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.