Finding the Fourth Proportional to 209,952,585.20, 314,928,877.80 and 119,253,321.20
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Solution
The fourth proportional to 209,952,585.20, 314,928,877.80 and 119,253,321.20 is: 178,879,981.80
Step by Step Solution
- Step 1: Write the proportion equation
209,952,585.20 : 314,928,877.80 = 119,253,321.20 : x - Step 2: Convert to fraction form
209,952,585.20/314,928,877.80 = 119,253,321.20/x - Step 3: Cross multiply
209,952,585.20x = 314,928,877.80 × 119,253,321.20 - Step 4: Simplify right side
209,952,585.20x = 37,556,314,619,438,952 - Step 5: Solve for x
x = 37,556,314,619,438,952/209,952,585.20 - Step 6: Final answer
x = 178,879,981.80
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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.