Finding the Fourth Proportional to 189,291,326.22, 261,224,568.27 and 106,784,855.82
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Solution
The fourth proportional to 189,291,326.22, 261,224,568.27 and 106,784,855.82 is: 147,364,532.84
Step by Step Solution
- Step 1: Write the proportion equation
189,291,326.22 : 261,224,568.27 = 106,784,855.82 : x - Step 2: Convert to fraction form
189,291,326.22/261,224,568.27 = 106,784,855.82/x - Step 3: Cross multiply
189,291,326.22x = 261,224,568.27 × 106,784,855.82 - Step 4: Simplify right side
189,291,326.22x = 27,894,827,859,353,696 - Step 5: Solve for x
x = 27,894,827,859,353,696/189,291,326.22 - Step 6: Final answer
x = 147,364,532.84
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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.