Finding the Fourth Proportional to 105,467,448.24, 158,286,990.12 and 54,364,081.68
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Solution
The fourth proportional to 105,467,448.24, 158,286,990.12 and 54,364,081.68 is: 81,590,358.00
Step by Step Solution
- Step 1: Write the proportion equation
105,467,448.24 : 158,286,990.12 = 54,364,081.68 : x - Step 2: Convert to fraction form
105,467,448.24/158,286,990.12 = 54,364,081.68/x - Step 3: Cross multiply
105,467,448.24x = 158,286,990.12 × 54,364,081.68 - Step 4: Simplify right side
105,467,448.24x = 8,605,126,859,765,033 - Step 5: Solve for x
x = 8,605,126,859,765,033/105,467,448.24 - Step 6: Final answer
x = 81,590,358.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.