Finding the Fourth Proportional to 193,442,092.80, 290,163,139.20 and 168,247,852.80
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Solution
The fourth proportional to 193,442,092.80, 290,163,139.20 and 168,247,852.80 is: 252,371,779.20
Step by Step Solution
- Step 1: Write the proportion equation
193,442,092.80 : 290,163,139.20 = 168,247,852.80 : x - Step 2: Convert to fraction form
193,442,092.80/290,163,139.20 = 168,247,852.80/x - Step 3: Cross multiply
193,442,092.80x = 290,163,139.20 × 168,247,852.80 - Step 4: Simplify right side
193,442,092.80x = 48,819,325,132,107,512 - Step 5: Solve for x
x = 48,819,325,132,107,512/193,442,092.80 - Step 6: Final answer
x = 252,371,779.20
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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.