Finding the Fourth Proportional to 86,215,708.54, 119,133,310.09 and 61,392,800.03
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Solution
The fourth proportional to 86,215,708.54, 119,133,310.09 and 61,392,800.03 is: 84,832,887.26
Step by Step Solution
- Step 1: Write the proportion equation
86,215,708.54 : 119,133,310.09 = 61,392,800.03 : x - Step 2: Convert to fraction form
86,215,708.54/119,133,310.09 = 61,392,800.03/x - Step 3: Cross multiply
86,215,708.54x = 119,133,310.09 × 61,392,800.03 - Step 4: Simplify right side
86,215,708.54x = 7,313,927,482,876,077 - Step 5: Solve for x
x = 7,313,927,482,876,077/86,215,708.54 - Step 6: Final answer
x = 84,832,887.26
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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.