Finding the Fourth Proportional to 73,162,383.84, 109,743,624.97 and 18,579,062.88
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Solution
The fourth proportional to 73,162,383.84, 109,743,624.97 and 18,579,062.88 is: 27,868,606.82
Step by Step Solution
- Step 1: Write the proportion equation
73,162,383.84 : 109,743,624.97 = 18,579,062.88 : x - Step 2: Convert to fraction form
73,162,383.84/109,743,624.97 = 18,579,062.88/x - Step 3: Cross multiply
73,162,383.84x = 109,743,624.97 × 18,579,062.88 - Step 4: Simplify right side
73,162,383.84x = 2,038,933,708,950,320.25 - Step 5: Solve for x
x = 2,038,933,708,950,320.25/73,162,383.84 - Step 6: Final answer
x = 27,868,606.82
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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.