Finding the Fourth Proportional to 86,381,429.84, 119,207,789.96 and 51,577,161.68
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Solution
The fourth proportional to 86,381,429.84, 119,207,789.96 and 51,577,161.68 is: 71,177,329.06
Step by Step Solution
- Step 1: Write the proportion equation
86,381,429.84 : 119,207,789.96 = 51,577,161.68 : x - Step 2: Convert to fraction form
86,381,429.84/119,207,789.96 = 51,577,161.68/x - Step 3: Cross multiply
86,381,429.84x = 119,207,789.96 × 51,577,161.68 - Step 4: Simplify right side
86,381,429.84x = 6,148,399,456,282,400 - Step 5: Solve for x
x = 6,148,399,456,282,400/86,381,429.84 - Step 6: Final answer
x = 71,177,329.06
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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.