Finding the Fourth Proportional to 209,953,489.70, 314,930,234.55 and 88,784,941.70
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Solution
The fourth proportional to 209,953,489.70, 314,930,234.55 and 88,784,941.70 is: 133,177,412.55
Step by Step Solution
- Step 1: Write the proportion equation
209,953,489.70 : 314,930,234.55 = 88,784,941.70 : x - Step 2: Convert to fraction form
209,953,489.70/314,930,234.55 = 88,784,941.70/x - Step 3: Cross multiply
209,953,489.70x = 314,930,234.55 × 88,784,941.70 - Step 4: Simplify right side
209,953,489.70x = 27,961,062,514,089,076 - Step 5: Solve for x
x = 27,961,062,514,089,076/209,953,489.70 - Step 6: Final answer
x = 133,177,412.55
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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.