Finding the Fourth Proportional to 122,052,218.10, 168,271,787.55 and 88,076,265.96
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Solution
The fourth proportional to 122,052,218.10, 168,271,787.55 and 88,076,265.96 is: 121,429,589.27
Step by Step Solution
- Step 1: Write the proportion equation
122,052,218.10 : 168,271,787.55 = 88,076,265.96 : x - Step 2: Convert to fraction form
122,052,218.10/168,271,787.55 = 88,076,265.96/x - Step 3: Cross multiply
122,052,218.10x = 168,271,787.55 × 88,076,265.96 - Step 4: Simplify right side
122,052,218.10x = 14,820,750,713,818,416 - Step 5: Solve for x
x = 14,820,750,713,818,416/122,052,218.10 - Step 6: Final answer
x = 121,429,589.27
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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.