Finding the Fourth Proportional to 165,554,273.97, 228,471,946.25 and 92,215,448.37
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Solution
The fourth proportional to 165,554,273.97, 228,471,946.25 and 92,215,448.37 is: 127,261,244.65
Step by Step Solution
- Step 1: Write the proportion equation
165,554,273.97 : 228,471,946.25 = 92,215,448.37 : x - Step 2: Convert to fraction form
165,554,273.97/228,471,946.25 = 92,215,448.37/x - Step 3: Cross multiply
165,554,273.97x = 228,471,946.25 × 92,215,448.37 - Step 4: Simplify right side
165,554,273.97x = 21,068,642,962,949,216 - Step 5: Solve for x
x = 21,068,642,962,949,216/165,554,273.97 - Step 6: Final answer
x = 127,261,244.65
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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.