Finding the Fourth Proportional to 170,352,236.80, 255,528,355.20 and 93,645,625.60
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Solution
The fourth proportional to 170,352,236.80, 255,528,355.20 and 93,645,625.60 is: 140,468,438.40
Step by Step Solution
- Step 1: Write the proportion equation
170,352,236.80 : 255,528,355.20 = 93,645,625.60 : x - Step 2: Convert to fraction form
170,352,236.80/255,528,355.20 = 93,645,625.60/x - Step 3: Cross multiply
170,352,236.80x = 255,528,355.20 × 93,645,625.60 - Step 4: Simplify right side
170,352,236.80x = 23,929,112,681,243,012 - Step 5: Solve for x
x = 23,929,112,681,243,012/170,352,236.80 - Step 6: Final answer
x = 140,468,438.40
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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.