Finding the Fourth Proportional to 218,682,347.19, 301,782,181.73 and 119,569,490.07
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Solution
The fourth proportional to 218,682,347.19, 301,782,181.73 and 119,569,490.07 is: 165,006,192.98
Step by Step Solution
- Step 1: Write the proportion equation
218,682,347.19 : 301,782,181.73 = 119,569,490.07 : x - Step 2: Convert to fraction form
218,682,347.19/301,782,181.73 = 119,569,490.07/x - Step 3: Cross multiply
218,682,347.19x = 301,782,181.73 × 119,569,490.07 - Step 4: Simplify right side
218,682,347.19x = 36,083,941,581,070,320 - Step 5: Solve for x
x = 36,083,941,581,070,320/218,682,347.19 - Step 6: Final answer
x = 165,006,192.98
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1.5x scale
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.