Finding the Fourth Proportional to 86,327,986.28, 129,584,161.47 and 37,168,184.75
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Solution
The fourth proportional to 86,327,986.28, 129,584,161.47 and 37,168,184.75 is: 55,791,965.75
Step by Step Solution
- Step 1: Write the proportion equation
86,327,986.28 : 129,584,161.47 = 37,168,184.75 : x - Step 2: Convert to fraction form
86,327,986.28/129,584,161.47 = 37,168,184.75/x - Step 3: Cross multiply
86,327,986.28x = 129,584,161.47 × 37,168,184.75 - Step 4: Simplify right side
86,327,986.28x = 4,816,408,054,190,792 - Step 5: Solve for x
x = 4,816,408,054,190,792/86,327,986.28 - Step 6: Final answer
x = 55,791,965.75
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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.