Finding the Fourth Proportional to 105,930,497.56, 158,898,728.18 and 29,253,525.79
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Solution
The fourth proportional to 105,930,497.56, 158,898,728.18 and 29,253,525.79 is: 43,881,112.14
Step by Step Solution
- Step 1: Write the proportion equation
105,930,497.56 : 158,898,728.18 = 29,253,525.79 : x - Step 2: Convert to fraction form
105,930,497.56/158,898,728.18 = 29,253,525.79/x - Step 3: Cross multiply
105,930,497.56x = 158,898,728.18 × 29,253,525.79 - Step 4: Simplify right side
105,930,497.56x = 4,648,348,042,811,830 - Step 5: Solve for x
x = 4,648,348,042,811,830/105,930,497.56 - Step 6: Final answer
x = 43,881,112.14
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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.