Finding the Fourth Proportional to 129,034,270.80, 193,551,406.20 and 113,917,726.80
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Solution
The fourth proportional to 129,034,270.80, 193,551,406.20 and 113,917,726.80 is: 170,876,590.20
Step by Step Solution
- Step 1: Write the proportion equation
129,034,270.80 : 193,551,406.20 = 113,917,726.80 : x - Step 2: Convert to fraction form
129,034,270.80/193,551,406.20 = 113,917,726.80/x - Step 3: Cross multiply
129,034,270.80x = 193,551,406.20 × 113,917,726.80 - Step 4: Simplify right side
129,034,270.80x = 22,048,936,213,247,424 - Step 5: Solve for x
x = 22,048,936,213,247,424/129,034,270.80 - Step 6: Final answer
x = 170,876,590.20
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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.