Finding the Fourth Proportional to 173,380,603.70, 260,070,905.55 and 115,900,411.70
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Solution
The fourth proportional to 173,380,603.70, 260,070,905.55 and 115,900,411.70 is: 173,850,617.55
Step by Step Solution
- Step 1: Write the proportion equation
173,380,603.70 : 260,070,905.55 = 115,900,411.70 : x - Step 2: Convert to fraction form
173,380,603.70/260,070,905.55 = 115,900,411.70/x - Step 3: Cross multiply
173,380,603.70x = 260,070,905.55 × 115,900,411.70 - Step 4: Simplify right side
173,380,603.70x = 30,142,325,024,436,816 - Step 5: Solve for x
x = 30,142,325,024,436,816/173,380,603.70 - Step 6: Final answer
x = 173,850,617.55
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1.5x scale
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.