Finding the Fourth Proportional to 282,691,862.44, 424,047,241.50 and 78,202,813.48
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Solution
The fourth proportional to 282,691,862.44, 424,047,241.50 and 78,202,813.48 is: 117,306,833.83
Step by Step Solution
- Step 1: Write the proportion equation
282,691,862.44 : 424,047,241.50 = 78,202,813.48 : x - Step 2: Convert to fraction form
282,691,862.44/424,047,241.50 = 78,202,813.48/x - Step 3: Cross multiply
282,691,862.44x = 424,047,241.50 × 78,202,813.48 - Step 4: Simplify right side
282,691,862.44x = 33,161,687,333,733,016 - Step 5: Solve for x
x = 33,161,687,333,733,016/282,691,862.44 - Step 6: Final answer
x = 117,306,833.83
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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.