Finding the Fourth Proportional to 117,598,277.80, 176,397,416.70 and 66,579,941.80
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Solution
The fourth proportional to 117,598,277.80, 176,397,416.70 and 66,579,941.80 is: 99,869,912.70
Step by Step Solution
- Step 1: Write the proportion equation
117,598,277.80 : 176,397,416.70 = 66,579,941.80 : x - Step 2: Convert to fraction form
117,598,277.80/176,397,416.70 = 66,579,941.80/x - Step 3: Cross multiply
117,598,277.80x = 176,397,416.70 × 66,579,941.80 - Step 4: Simplify right side
117,598,277.80x = 11,744,529,737,556,346 - Step 5: Solve for x
x = 11,744,529,737,556,346/117,598,277.80 - Step 6: Final answer
x = 99,869,912.70
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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.