Finding the Fourth Proportional to 84,752,913.84, 116,951,394.24 and 49,473,780.72
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Solution
The fourth proportional to 84,752,913.84, 116,951,394.24 and 49,473,780.72 is: 68,269,365.28
Step by Step Solution
- Step 1: Write the proportion equation
84,752,913.84 : 116,951,394.24 = 49,473,780.72 : x - Step 2: Convert to fraction form
84,752,913.84/116,951,394.24 = 49,473,780.72/x - Step 3: Cross multiply
84,752,913.84x = 116,951,394.24 × 49,473,780.72 - Step 4: Simplify right side
84,752,913.84x = 5,786,027,633,528,031 - Step 5: Solve for x
x = 5,786,027,633,528,031/84,752,913.84 - Step 6: Final answer
x = 68,269,365.28
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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.