Finding the Fourth Proportional to 109,029,909.80, 163,544,864.70 and 102,311,445.80
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Solution
The fourth proportional to 109,029,909.80, 163,544,864.70 and 102,311,445.80 is: 153,467,168.70
Step by Step Solution
- Step 1: Write the proportion equation
109,029,909.80 : 163,544,864.70 = 102,311,445.80 : x - Step 2: Convert to fraction form
109,029,909.80/163,544,864.70 = 102,311,445.80/x - Step 3: Cross multiply
109,029,909.80x = 163,544,864.70 × 102,311,445.80 - Step 4: Simplify right side
109,029,909.80x = 16,732,511,560,622,382 - Step 5: Solve for x
x = 16,732,511,560,622,382/109,029,909.80 - Step 6: Final answer
x = 153,467,168.70
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1.5x scale
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.