Finding the Fourth Proportional to 79,970,403.09, 119,955,604.66 and 19,386,129.09
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Solution
The fourth proportional to 79,970,403.09, 119,955,604.66 and 19,386,129.09 is: 29,079,193.64
Step by Step Solution
- Step 1: Write the proportion equation
79,970,403.09 : 119,955,604.66 = 19,386,129.09 : x - Step 2: Convert to fraction form
79,970,403.09/119,955,604.66 = 19,386,129.09/x - Step 3: Cross multiply
79,970,403.09x = 119,955,604.66 × 19,386,129.09 - Step 4: Simplify right side
79,970,403.09x = 2,325,474,837,409,133.50 - Step 5: Solve for x
x = 2,325,474,837,409,133.50/79,970,403.09 - Step 6: Final answer
x = 29,079,193.64
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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.