Finding the Fourth Proportional to 197,207,787.90, 295,244,811.45 and 120,680,283.90
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Solution
The fourth proportional to 197,207,787.90, 295,244,811.45 and 120,680,283.90 is: 180,673,532.45
Step by Step Solution
- Step 1: Write the proportion equation
197,207,787.90 : 295,244,811.45 = 120,680,283.90 : x - Step 2: Convert to fraction form
197,207,787.90/295,244,811.45 = 120,680,283.90/x - Step 3: Cross multiply
197,207,787.90x = 295,244,811.45 × 120,680,283.90 - Step 4: Simplify right side
197,207,787.90x = 35,630,227,665,787,972 - Step 5: Solve for x
x = 35,630,227,665,787,972/197,207,787.90 - Step 6: Final answer
x = 180,673,532.45
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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.