Finding the Fourth Proportional to 136,283,782.80, 204,351,024.60 and 55,413,382.80
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Solution
The fourth proportional to 136,283,782.80, 204,351,024.60 and 55,413,382.80 is: 83,089,721.46
Step by Step Solution
- Step 1: Write the proportion equation
136,283,782.80 : 204,351,024.60 = 55,413,382.80 : x - Step 2: Convert to fraction form
136,283,782.80/204,351,024.60 = 55,413,382.80/x - Step 3: Cross multiply
136,283,782.80x = 204,351,024.60 × 55,413,382.80 - Step 4: Simplify right side
136,283,782.80x = 11,323,781,551,732,016 - Step 5: Solve for x
x = 11,323,781,551,732,016/136,283,782.80 - Step 6: Final answer
x = 83,089,721.46
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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.