Finding the Fourth Proportional to 83,751,161.40, 125,626,742.10 and 64,380,136.95
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Solution
The fourth proportional to 83,751,161.40, 125,626,742.10 and 64,380,136.95 is: 96,570,205.43
Step by Step Solution
- Step 1: Write the proportion equation
83,751,161.40 : 125,626,742.10 = 64,380,136.95 : x - Step 2: Convert to fraction form
83,751,161.40/125,626,742.10 = 64,380,136.95/x - Step 3: Cross multiply
83,751,161.40x = 125,626,742.10 × 64,380,136.95 - Step 4: Simplify right side
83,751,161.40x = 8,087,866,860,980,331 - Step 5: Solve for x
x = 8,087,866,860,980,331/83,751,161.40 - Step 6: Final answer
x = 96,570,205.43
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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.