Finding the Fourth Proportional to 194,228,896.80, 291,343,345.20 and 185,270,944.80
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Solution
The fourth proportional to 194,228,896.80, 291,343,345.20 and 185,270,944.80 is: 277,906,417.20
Step by Step Solution
- Step 1: Write the proportion equation
194,228,896.80 : 291,343,345.20 = 185,270,944.80 : x - Step 2: Convert to fraction form
194,228,896.80/291,343,345.20 = 185,270,944.80/x - Step 3: Cross multiply
194,228,896.80x = 291,343,345.20 × 185,270,944.80 - Step 4: Simplify right side
194,228,896.80x = 53,977,456,826,396,544 - Step 5: Solve for x
x = 53,977,456,826,396,544/194,228,896.80 - Step 6: Final answer
x = 277,906,417.20
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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.