Finding the Fourth Proportional to 97,679,809.20, 146,519,713.80 and 24,896,449.20
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Solution
The fourth proportional to 97,679,809.20, 146,519,713.80 and 24,896,449.20 is: 37,344,673.80
Step by Step Solution
- Step 1: Write the proportion equation
97,679,809.20 : 146,519,713.80 = 24,896,449.20 : x - Step 2: Convert to fraction form
97,679,809.20/146,519,713.80 = 24,896,449.20/x - Step 3: Cross multiply
97,679,809.20x = 146,519,713.80 × 24,896,449.20 - Step 4: Simplify right side
97,679,809.20x = 3,647,820,611,420,239 - Step 5: Solve for x
x = 3,647,820,611,420,239/97,679,809.20 - Step 6: Final answer
x = 37,344,673.80
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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.