Finding the Fourth Proportional to 186,624,281.40, 279,936,422.10 and 125,710,207.80
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Solution
The fourth proportional to 186,624,281.40, 279,936,422.10 and 125,710,207.80 is: 188,565,311.70
Step by Step Solution
- Step 1: Write the proportion equation
186,624,281.40 : 279,936,422.10 = 125,710,207.80 : x - Step 2: Convert to fraction form
186,624,281.40/279,936,422.10 = 125,710,207.80/x - Step 3: Cross multiply
186,624,281.40x = 279,936,422.10 × 125,710,207.80 - Step 4: Simplify right side
186,624,281.40x = 35,190,865,792,979,516 - Step 5: Solve for x
x = 35,190,865,792,979,516/186,624,281.40 - Step 6: Final answer
x = 188,565,311.70
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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.