Finding the Fourth Proportional to 69,984,112.85, 104,976,169.28 and 48,373,053.65
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Solution
The fourth proportional to 69,984,112.85, 104,976,169.28 and 48,373,053.65 is: 72,559,580.48
Step by Step Solution
- Step 1: Write the proportion equation
69,984,112.85 : 104,976,169.28 = 48,373,053.65 : x - Step 2: Convert to fraction form
69,984,112.85/104,976,169.28 = 48,373,053.65/x - Step 3: Cross multiply
69,984,112.85x = 104,976,169.28 × 48,373,053.65 - Step 4: Simplify right side
69,984,112.85x = 5,078,017,868,311,057 - Step 5: Solve for x
x = 5,078,017,868,311,057/69,984,112.85 - Step 6: Final answer
x = 72,559,580.48
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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.