Finding the Fourth Proportional to 69,984,393.30, 104,976,589.95 and 64,882,559.70
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Solution
The fourth proportional to 69,984,393.30, 104,976,589.95 and 64,882,559.70 is: 97,323,839.55
Step by Step Solution
- Step 1: Write the proportion equation
69,984,393.30 : 104,976,589.95 = 64,882,559.70 : x - Step 2: Convert to fraction form
69,984,393.30/104,976,589.95 = 64,882,559.70/x - Step 3: Cross multiply
69,984,393.30x = 104,976,589.95 × 64,882,559.70 - Step 4: Simplify right side
69,984,393.30x = 6,811,149,864,533,296 - Step 5: Solve for x
x = 6,811,149,864,533,296/69,984,393.30 - Step 6: Final answer
x = 97,323,839.55
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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.