Finding the Fourth Proportional to 177,471,209.20, 265,758,916.20 and 141,639,401.20
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Solution
The fourth proportional to 177,471,209.20, 265,758,916.20 and 141,639,401.20 is: 212,101,635.66
Step by Step Solution
- Step 1: Write the proportion equation
177,471,209.20 : 265,758,916.20 = 141,639,401.20 : x - Step 2: Convert to fraction form
177,471,209.20/265,758,916.20 = 141,639,401.20/x - Step 3: Cross multiply
177,471,209.20x = 265,758,916.20 × 141,639,401.20 - Step 4: Simplify right side
177,471,209.20x = 37,641,933,754,128,976 - Step 5: Solve for x
x = 37,641,933,754,128,976/177,471,209.20 - Step 6: Final answer
x = 212,101,635.66
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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.