Finding the Fourth Proportional to 69,946,412.80, 104,919,619.20 and 44,437,244.80
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Solution
The fourth proportional to 69,946,412.80, 104,919,619.20 and 44,437,244.80 is: 66,655,867.20
Step by Step Solution
- Step 1: Write the proportion equation
69,946,412.80 : 104,919,619.20 = 44,437,244.80 : x - Step 2: Convert to fraction form
69,946,412.80/104,919,619.20 = 44,437,244.80/x - Step 3: Cross multiply
69,946,412.80x = 104,919,619.20 × 44,437,244.80 - Step 4: Simplify right side
69,946,412.80x = 4,662,338,802,713,180 - Step 5: Solve for x
x = 4,662,338,802,713,180/69,946,412.80 - Step 6: Final answer
x = 66,655,867.20
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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.