Finding the Fourth Proportional to 79,263,553.80, 118,895,330.70 and 79,263,553.80
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Solution
The fourth proportional to 79,263,553.80, 118,895,330.70 and 79,263,553.80 is: 118,895,330.70
Step by Step Solution
- Step 1: Write the proportion equation
79,263,553.80 : 118,895,330.70 = 79,263,553.80 : x - Step 2: Convert to fraction form
79,263,553.80/118,895,330.70 = 79,263,553.80/x - Step 3: Cross multiply
79,263,553.80x = 118,895,330.70 × 79,263,553.80 - Step 4: Simplify right side
79,263,553.80x = 9,424,066,441,508,242 - Step 5: Solve for x
x = 9,424,066,441,508,242/79,263,553.80 - Step 6: Final answer
x = 118,895,330.70
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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.