Finding the Fourth Proportional to 86,776,919.26, 119,722,487.61 and 49,580,510.74
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Solution
The fourth proportional to 86,776,919.26, 119,722,487.61 and 49,580,510.74 is: 68,404,157.85
Step by Step Solution
- Step 1: Write the proportion equation
86,776,919.26 : 119,722,487.61 = 49,580,510.74 : x - Step 2: Convert to fraction form
86,776,919.26/119,722,487.61 = 49,580,510.74/x - Step 3: Cross multiply
86,776,919.26x = 119,722,487.61 × 49,580,510.74 - Step 4: Simplify right side
86,776,919.26x = 5,935,902,082,767,122 - Step 5: Solve for x
x = 5,935,902,082,767,122/86,776,919.26 - Step 6: Final answer
x = 68,404,157.85
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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.