Finding the Fourth Proportional to 136,701,862.26, 188,649,144.84 and 73,977,963.18
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Solution
The fourth proportional to 136,701,862.26, 188,649,144.84 and 73,977,963.18 is: 102,089,900.31
Step by Step Solution
- Step 1: Write the proportion equation
136,701,862.26 : 188,649,144.84 = 73,977,963.18 : x - Step 2: Convert to fraction form
136,701,862.26/188,649,144.84 = 73,977,963.18/x - Step 3: Cross multiply
136,701,862.26x = 188,649,144.84 × 73,977,963.18 - Step 4: Simplify right side
136,701,862.26x = 13,955,879,490,912,008 - Step 5: Solve for x
x = 13,955,879,490,912,008/136,701,862.26 - Step 6: Final answer
x = 102,089,900.31
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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.