Finding the Fourth Proportional to 76,767,097.14, 115,170,842.66 and 27,587,918.79
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Solution
The fourth proportional to 76,767,097.14, 115,170,842.66 and 27,587,918.79 is: 41,389,136.40
Step by Step Solution
- Step 1: Write the proportion equation
76,767,097.14 : 115,170,842.66 = 27,587,918.79 : x - Step 2: Convert to fraction form
76,767,097.14/115,170,842.66 = 27,587,918.79/x - Step 3: Cross multiply
76,767,097.14x = 115,170,842.66 × 27,587,918.79 - Step 4: Simplify right side
76,767,097.14x = 3,177,323,854,279,947.50 - Step 5: Solve for x
x = 3,177,323,854,279,947.50/76,767,097.14 - Step 6: Final answer
x = 41,389,136.40
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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.