Finding the Fourth Proportional to 86,062,202.79, 129,118,631.97 and 27,768,787.22
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Solution
The fourth proportional to 86,062,202.79, 129,118,631.97 and 27,768,787.22 is: 41,661,353.08
Step by Step Solution
- Step 1: Write the proportion equation
86,062,202.79 : 129,118,631.97 = 27,768,787.22 : x - Step 2: Convert to fraction form
86,062,202.79/129,118,631.97 = 27,768,787.22/x - Step 3: Cross multiply
86,062,202.79x = 129,118,631.97 × 27,768,787.22 - Step 4: Simplify right side
86,062,202.79x = 3,585,467,816,850,779 - Step 5: Solve for x
x = 3,585,467,816,850,779/86,062,202.79 - Step 6: Final answer
x = 41,661,353.08
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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.