Finding the Fourth Proportional to 77,636,523.60, 116,434,849.68 and 23,036,194.26
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Solution
The fourth proportional to 77,636,523.60, 116,434,849.68 and 23,036,194.26 is: 34,548,376.09
Step by Step Solution
- Step 1: Write the proportion equation
77,636,523.60 : 116,434,849.68 = 23,036,194.26 : x - Step 2: Convert to fraction form
77,636,523.60/116,434,849.68 = 23,036,194.26/x - Step 3: Cross multiply
77,636,523.60x = 116,434,849.68 × 23,036,194.26 - Step 4: Simplify right side
77,636,523.60x = 2,682,215,815,862,379 - Step 5: Solve for x
x = 2,682,215,815,862,379/77,636,523.60 - Step 6: Final answer
x = 34,548,376.09
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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.