Finding the Fourth Proportional to 104,793,341.80, 157,190,012.70 and 66,529,589.80
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Solution
The fourth proportional to 104,793,341.80, 157,190,012.70 and 66,529,589.80 is: 99,794,384.70
Step by Step Solution
- Step 1: Write the proportion equation
104,793,341.80 : 157,190,012.70 = 66,529,589.80 : x - Step 2: Convert to fraction form
104,793,341.80/157,190,012.70 = 66,529,589.80/x - Step 3: Cross multiply
104,793,341.80x = 157,190,012.70 × 66,529,589.80 - Step 4: Simplify right side
104,793,341.80x = 10,457,787,065,587,790 - Step 5: Solve for x
x = 10,457,787,065,587,790/104,793,341.80 - Step 6: Final answer
x = 99,794,384.70
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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.