Finding the Fourth Proportional to 351,023,177.80, 526,534,766.70 and 169,624,649.80
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Solution
The fourth proportional to 351,023,177.80, 526,534,766.70 and 169,624,649.80 is: 254,436,974.70
Step by Step Solution
- Step 1: Write the proportion equation
351,023,177.80 : 526,534,766.70 = 169,624,649.80 : x - Step 2: Convert to fraction form
351,023,177.80/526,534,766.70 = 169,624,649.80/x - Step 3: Cross multiply
351,023,177.80x = 526,534,766.70 × 169,624,649.80 - Step 4: Simplify right side
351,023,177.80x = 89,313,275,409,012,208 - Step 5: Solve for x
x = 89,313,275,409,012,208/351,023,177.80 - Step 6: Final answer
x = 254,436,974.70
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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.