Finding the Fourth Proportional to 57,430,195.16, 86,161,972.26 and 18,567,817.88
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Solution
The fourth proportional to 57,430,195.16, 86,161,972.26 and 18,567,817.88 is: 27,857,119.49
Step by Step Solution
- Step 1: Write the proportion equation
57,430,195.16 : 86,161,972.26 = 18,567,817.88 : x - Step 2: Convert to fraction form
57,430,195.16/86,161,972.26 = 18,567,817.88/x - Step 3: Cross multiply
57,430,195.16x = 86,161,972.26 × 18,567,817.88 - Step 4: Simplify right side
57,430,195.16x = 1,599,839,809,105,292 - Step 5: Solve for x
x = 1,599,839,809,105,292/57,430,195.16 - Step 6: Final answer
x = 27,857,119.49
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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.