Finding the Fourth Proportional to 86,804,469.16, 119,889,586.18 and 57,167,600.42
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Solution
The fourth proportional to 86,804,469.16, 119,889,586.18 and 57,167,600.42 is: 78,956,763.67
Step by Step Solution
- Step 1: Write the proportion equation
86,804,469.16 : 119,889,586.18 = 57,167,600.42 : x - Step 2: Convert to fraction form
86,804,469.16/119,889,586.18 = 57,167,600.42/x - Step 3: Cross multiply
86,804,469.16x = 119,889,586.18 × 57,167,600.42 - Step 4: Simplify right side
86,804,469.16x = 6,853,799,957,257,395 - Step 5: Solve for x
x = 6,853,799,957,257,395/86,804,469.16 - Step 6: Final answer
x = 78,956,763.67
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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.