Finding the Fourth Proportional to 276,325,611.36, 381,284,332.92 and 163,279,372.70
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Solution
The fourth proportional to 276,325,611.36, 381,284,332.92 and 163,279,372.70 is: 225,298,937.70
Step by Step Solution
- Step 1: Write the proportion equation
276,325,611.36 : 381,284,332.92 = 163,279,372.70 : x - Step 2: Convert to fraction form
276,325,611.36/381,284,332.92 = 163,279,372.70/x - Step 3: Cross multiply
276,325,611.36x = 381,284,332.92 × 163,279,372.70 - Step 4: Simplify right side
276,325,611.36x = 62,255,866,697,609,136 - Step 5: Solve for x
x = 62,255,866,697,609,136/276,325,611.36 - Step 6: Final answer
x = 225,298,937.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.