Finding the Fourth Proportional to 186,624,908.70, 279,937,363.05 and 141,275,276.70
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Solution
The fourth proportional to 186,624,908.70, 279,937,363.05 and 141,275,276.70 is: 211,912,915.05
Step by Step Solution
- Step 1: Write the proportion equation
186,624,908.70 : 279,937,363.05 = 141,275,276.70 : x - Step 2: Convert to fraction form
186,624,908.70/279,937,363.05 = 141,275,276.70/x - Step 3: Cross multiply
186,624,908.70x = 279,937,363.05 × 141,275,276.70 - Step 4: Simplify right side
186,624,908.70x = 39,548,228,423,557,104 - Step 5: Solve for x
x = 39,548,228,423,557,104/186,624,908.70 - Step 6: Final answer
x = 211,912,915.05
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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.