Finding the Fourth Proportional to 84,167,794.31, 116,231,770.33 and 79,582,370.84
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Solution
The fourth proportional to 84,167,794.31, 116,231,770.33 and 79,582,370.84 is: 109,899,515.91
Step by Step Solution
- Step 1: Write the proportion equation
84,167,794.31 : 116,231,770.33 = 79,582,370.84 : x - Step 2: Convert to fraction form
84,167,794.31/116,231,770.33 = 79,582,370.84/x - Step 3: Cross multiply
84,167,794.31x = 116,231,770.33 × 79,582,370.84 - Step 4: Simplify right side
84,167,794.31x = 9,249,999,849,447,524 - Step 5: Solve for x
x = 9,249,999,849,447,524/84,167,794.31 - Step 6: Final answer
x = 109,899,515.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.