Finding the Fourth Proportional to 119,036,431.72, 178,207,783.98 and 88,466,370.76
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Solution
The fourth proportional to 119,036,431.72, 178,207,783.98 and 88,466,370.76 is: 132,441,771.50
Step by Step Solution
- Step 1: Write the proportion equation
119,036,431.72 : 178,207,783.98 = 88,466,370.76 : x - Step 2: Convert to fraction form
119,036,431.72/178,207,783.98 = 88,466,370.76/x - Step 3: Cross multiply
119,036,431.72x = 178,207,783.98 × 88,466,370.76 - Step 4: Simplify right side
119,036,431.72x = 15,765,395,889,892,668 - Step 5: Solve for x
x = 15,765,395,889,892,668/119,036,431.72 - Step 6: Final answer
x = 132,441,771.50
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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.