Finding the Fourth Proportional to 218,682,354.19, 301,782,191.39 and 119,569,497.07
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Solution
The fourth proportional to 218,682,354.19, 301,782,191.39 and 119,569,497.07 is: 165,006,202.64
Step by Step Solution
- Step 1: Write the proportion equation
218,682,354.19 : 301,782,191.39 = 119,569,497.07 : x - Step 2: Convert to fraction form
218,682,354.19/301,782,191.39 = 119,569,497.07/x - Step 3: Cross multiply
218,682,354.19x = 301,782,191.39 × 119,569,497.07 - Step 4: Simplify right side
218,682,354.19x = 36,083,944,849,184,784 - Step 5: Solve for x
x = 36,083,944,849,184,784/218,682,354.19 - Step 6: Final answer
x = 165,006,202.64
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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.