Finding the Fourth Proportional to 118,341,008.20, 177,511,512.30 and 96,817,647.70
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Solution
The fourth proportional to 118,341,008.20, 177,511,512.30 and 96,817,647.70 is: 145,226,471.55
Step by Step Solution
- Step 1: Write the proportion equation
118,341,008.20 : 177,511,512.30 = 96,817,647.70 : x - Step 2: Convert to fraction form
118,341,008.20/177,511,512.30 = 96,817,647.70/x - Step 3: Cross multiply
118,341,008.20x = 177,511,512.30 × 96,817,647.70 - Step 4: Simplify right side
118,341,008.20x = 17,186,247,060,555,618 - Step 5: Solve for x
x = 17,186,247,060,555,618/118,341,008.20 - Step 6: Final answer
x = 145,226,471.55
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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.