Finding the Fourth Proportional to 69,976,164.20, 104,964,246.30 and 44,529,981.80
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Solution
The fourth proportional to 69,976,164.20, 104,964,246.30 and 44,529,981.80 is: 66,794,972.70
Step by Step Solution
- Step 1: Write the proportion equation
69,976,164.20 : 104,964,246.30 = 44,529,981.80 : x - Step 2: Convert to fraction form
69,976,164.20/104,964,246.30 = 44,529,981.80/x - Step 3: Cross multiply
69,976,164.20x = 104,964,246.30 × 44,529,981.80 - Step 4: Simplify right side
69,976,164.20x = 4,674,055,977,389,717 - Step 5: Solve for x
x = 4,674,055,977,389,717/69,976,164.20 - Step 6: Final answer
x = 66,794,972.70
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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.