Finding the Fourth Proportional to 163,137,969.75, 225,136,337.60 and 88,794,936.34
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Solution
The fourth proportional to 163,137,969.75, 225,136,337.60 and 88,794,936.34 is: 122,540,244.90
Step by Step Solution
- Step 1: Write the proportion equation
163,137,969.75 : 225,136,337.60 = 88,794,936.34 : x - Step 2: Convert to fraction form
163,137,969.75/225,136,337.60 = 88,794,936.34/x - Step 3: Cross multiply
163,137,969.75x = 225,136,337.60 × 88,794,936.34 - Step 4: Simplify right side
163,137,969.75x = 19,990,966,765,012,748 - Step 5: Solve for x
x = 19,990,966,765,012,748/163,137,969.75 - Step 6: Final answer
x = 122,540,244.90
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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.