Finding the Fourth Proportional to 81,287,982.37, 112,177,526.75 and 44,118,263.21
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Solution
The fourth proportional to 81,287,982.37, 112,177,526.75 and 44,118,263.21 is: 60,883,263.52
Step by Step Solution
- Step 1: Write the proportion equation
81,287,982.37 : 112,177,526.75 = 44,118,263.21 : x - Step 2: Convert to fraction form
81,287,982.37/112,177,526.75 = 44,118,263.21/x - Step 3: Cross multiply
81,287,982.37x = 112,177,526.75 × 44,118,263.21 - Step 4: Simplify right side
81,287,982.37x = 4,949,077,651,458,464 - Step 5: Solve for x
x = 4,949,077,651,458,464/81,287,982.37 - Step 6: Final answer
x = 60,883,263.52
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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.