Finding the Fourth Proportional to 218,682,352.19, 301,782,188.63 and 119,569,495.07
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Solution
The fourth proportional to 218,682,352.19, 301,782,188.63 and 119,569,495.07 is: 165,006,199.88
Step by Step Solution
- Step 1: Write the proportion equation
218,682,352.19 : 301,782,188.63 = 119,569,495.07 : x - Step 2: Convert to fraction form
218,682,352.19/301,782,188.63 = 119,569,495.07/x - Step 3: Cross multiply
218,682,352.19x = 301,782,188.63 × 119,569,495.07 - Step 4: Simplify right side
218,682,352.19x = 36,083,943,915,010,744 - Step 5: Solve for x
x = 36,083,943,915,010,744/218,682,352.19 - Step 6: Final answer
x = 165,006,199.88
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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.