Finding the Fourth Proportional to 58,275,918.56, 80,418,659.86 and 32,169,876.08
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Solution
The fourth proportional to 58,275,918.56, 80,418,659.86 and 32,169,876.08 is: 44,393,265.45
Step by Step Solution
- Step 1: Write the proportion equation
58,275,918.56 : 80,418,659.86 = 32,169,876.08 : x - Step 2: Convert to fraction form
58,275,918.56/80,418,659.86 = 32,169,876.08/x - Step 3: Cross multiply
58,275,918.56x = 80,418,659.86 × 32,169,876.08 - Step 4: Simplify right side
58,275,918.56x = 2,587,058,322,215,870 - Step 5: Solve for x
x = 2,587,058,322,215,870/58,275,918.56 - Step 6: Final answer
x = 44,393,265.45
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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.