Finding the Fourth Proportional to 196,560,028.80, 294,840,043.20 and 158,296,276.80
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Solution
The fourth proportional to 196,560,028.80, 294,840,043.20 and 158,296,276.80 is: 237,444,415.20
Step by Step Solution
- Step 1: Write the proportion equation
196,560,028.80 : 294,840,043.20 = 158,296,276.80 : x - Step 2: Convert to fraction form
196,560,028.80/294,840,043.20 = 158,296,276.80/x - Step 3: Cross multiply
196,560,028.80x = 294,840,043.20 × 158,296,276.80 - Step 4: Simplify right side
196,560,028.80x = 46,672,081,090,111,160 - Step 5: Solve for x
x = 46,672,081,090,111,160/196,560,028.80 - Step 6: Final answer
x = 237,444,415.20
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1.5x scale
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.