Finding the Fourth Proportional to 86,215,723.12, 119,133,330.29 and 61,392,814.66
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Solution
The fourth proportional to 86,215,723.12, 119,133,330.29 and 61,392,814.66 is: 84,832,907.52
Step by Step Solution
- Step 1: Write the proportion equation
86,215,723.12 : 119,133,330.29 = 61,392,814.66 : x - Step 2: Convert to fraction form
86,215,723.12/119,133,330.29 = 61,392,814.66/x - Step 3: Cross multiply
86,215,723.12x = 119,133,330.29 × 61,392,814.66 - Step 4: Simplify right side
86,215,723.12x = 7,313,930,466,322,534 - Step 5: Solve for x
x = 7,313,930,466,322,534/86,215,723.12 - Step 6: Final answer
x = 84,832,907.52
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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.