Finding the Fourth Proportional to 58,924,713.36, 81,301,764.24 and 38,805,633.84
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Solution
The fourth proportional to 58,924,713.36, 81,301,764.24 and 38,805,633.84 is: 53,542,330.78
Step by Step Solution
- Step 1: Write the proportion equation
58,924,713.36 : 81,301,764.24 = 38,805,633.84 : x - Step 2: Convert to fraction form
58,924,713.36/81,301,764.24 = 38,805,633.84/x - Step 3: Cross multiply
58,924,713.36x = 81,301,764.24 × 38,805,633.84 - Step 4: Simplify right side
58,924,713.36x = 3,154,966,493,643,446 - Step 5: Solve for x
x = 3,154,966,493,643,446/58,924,713.36 - Step 6: Final answer
x = 53,542,330.78
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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.