Finding the Fourth Proportional to 53,498,742.24, 73,850,863.14 and 36,118,628.40
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Solution
The fourth proportional to 53,498,742.24, 73,850,863.14 and 36,118,628.40 is: 49,858,964.36
Step by Step Solution
- Step 1: Write the proportion equation
53,498,742.24 : 73,850,863.14 = 36,118,628.40 : x - Step 2: Convert to fraction form
53,498,742.24/73,850,863.14 = 36,118,628.40/x - Step 3: Cross multiply
53,498,742.24x = 73,850,863.14 × 36,118,628.40 - Step 4: Simplify right side
53,498,742.24x = 2,667,391,882,772,917 - Step 5: Solve for x
x = 2,667,391,882,772,917/53,498,742.24 - Step 6: Final answer
x = 49,858,964.36
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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.