Finding the Fourth Proportional to 177,147,252.80, 265,720,879.20 and 166,376,715.20
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Solution
The fourth proportional to 177,147,252.80, 265,720,879.20 and 166,376,715.20 is: 249,565,072.80
Step by Step Solution
- Step 1: Write the proportion equation
177,147,252.80 : 265,720,879.20 = 166,376,715.20 : x - Step 2: Convert to fraction form
177,147,252.80/265,720,879.20 = 166,376,715.20/x - Step 3: Cross multiply
177,147,252.80x = 265,720,879.20 × 166,376,715.20 - Step 4: Simplify right side
177,147,252.80x = 44,209,767,041,352,000 - Step 5: Solve for x
x = 44,209,767,041,352,000/177,147,252.80 - Step 6: Final answer
x = 249,565,072.80
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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.