Finding the Fourth Proportional to 84,549,956.44, 116,686,135.74 and 47,887,049.56
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Solution
The fourth proportional to 84,549,956.44, 116,686,135.74 and 47,887,049.56 is: 66,088,203.95
Step by Step Solution
- Step 1: Write the proportion equation
84,549,956.44 : 116,686,135.74 = 47,887,049.56 : x - Step 2: Convert to fraction form
84,549,956.44/116,686,135.74 = 47,887,049.56/x - Step 3: Cross multiply
84,549,956.44x = 116,686,135.74 × 47,887,049.56 - Step 4: Simplify right side
84,549,956.44x = 5,587,754,765,146,267 - Step 5: Solve for x
x = 5,587,754,765,146,267/84,549,956.44 - Step 6: Final answer
x = 66,088,203.95
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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.