Finding the Fourth Proportional to 326,272,903.18, 489,404,562.87 and 80,629,531.42
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Solution
The fourth proportional to 326,272,903.18, 489,404,562.87 and 80,629,531.42 is: 120,943,112.94
Step by Step Solution
- Step 1: Write the proportion equation
326,272,903.18 : 489,404,562.87 = 80,629,531.42 : x - Step 2: Convert to fraction form
326,272,903.18/489,404,562.87 = 80,629,531.42/x - Step 3: Cross multiply
326,272,903.18x = 489,404,562.87 × 80,629,531.42 - Step 4: Simplify right side
326,272,903.18x = 39,460,460,579,018,032 - Step 5: Solve for x
x = 39,460,460,579,018,032/326,272,903.18 - Step 6: Final answer
x = 120,943,112.94
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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.