Finding the Fourth Proportional to 173,335,767.40, 260,104,436.70 and 71,173,124.20
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Solution
The fourth proportional to 173,335,767.40, 260,104,436.70 and 71,173,124.20 is: 106,801,069.72
Step by Step Solution
- Step 1: Write the proportion equation
173,335,767.40 : 260,104,436.70 = 71,173,124.20 : x - Step 2: Convert to fraction form
173,335,767.40/260,104,436.70 = 71,173,124.20/x - Step 3: Cross multiply
173,335,767.40x = 260,104,436.70 × 71,173,124.20 - Step 4: Simplify right side
173,335,767.40x = 18,512,445,378,220,140 - Step 5: Solve for x
x = 18,512,445,378,220,140/173,335,767.40 - Step 6: Final answer
x = 106,801,069.72
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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.