Finding the Fourth Proportional to 88,706,911.80, 133,060,367.70 and 40,207,999.80
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Solution
The fourth proportional to 88,706,911.80, 133,060,367.70 and 40,207,999.80 is: 60,311,999.70
Step by Step Solution
- Step 1: Write the proportion equation
88,706,911.80 : 133,060,367.70 = 40,207,999.80 : x - Step 2: Convert to fraction form
88,706,911.80/133,060,367.70 = 40,207,999.80/x - Step 3: Cross multiply
88,706,911.80x = 133,060,367.70 × 40,207,999.80 - Step 4: Simplify right side
88,706,911.80x = 5,350,091,237,869,526 - Step 5: Solve for x
x = 5,350,091,237,869,526/88,706,911.80 - Step 6: Final answer
x = 60,311,999.70
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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.