Finding the Fourth Proportional to 330,804,940.60, 496,207,410.90 and 136,651,828.60
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Solution
The fourth proportional to 330,804,940.60, 496,207,410.90 and 136,651,828.60 is: 204,977,742.90
Step by Step Solution
- Step 1: Write the proportion equation
330,804,940.60 : 496,207,410.90 = 136,651,828.60 : x - Step 2: Convert to fraction form
330,804,940.60/496,207,410.90 = 136,651,828.60/x - Step 3: Cross multiply
330,804,940.60x = 496,207,410.90 × 136,651,828.60 - Step 4: Simplify right side
330,804,940.60x = 67,807,650,064,356,568 - Step 5: Solve for x
x = 67,807,650,064,356,568/330,804,940.60 - Step 6: Final answer
x = 204,977,742.90
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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.