Finding the Fourth Proportional to 165,417,506.52, 228,274,283.61 and 91,076,548.92
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Solution
The fourth proportional to 165,417,506.52, 228,274,283.61 and 91,076,548.92 is: 125,684,604.95
Step by Step Solution
- Step 1: Write the proportion equation
165,417,506.52 : 228,274,283.61 = 91,076,548.92 : x - Step 2: Convert to fraction form
165,417,506.52/228,274,283.61 = 91,076,548.92/x - Step 3: Cross multiply
165,417,506.52x = 228,274,283.61 × 91,076,548.92 - Step 4: Simplify right side
165,417,506.52x = 20,790,433,958,384,120 - Step 5: Solve for x
x = 20,790,433,958,384,120/165,417,506.52 - Step 6: Final answer
x = 125,684,604.95
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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.