Finding the Fourth Proportional to 108,866,473.80, 163,299,710.70 and 44,201,257.80
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Solution
The fourth proportional to 108,866,473.80, 163,299,710.70 and 44,201,257.80 is: 66,301,886.70
Step by Step Solution
- Step 1: Write the proportion equation
108,866,473.80 : 163,299,710.70 = 44,201,257.80 : x - Step 2: Convert to fraction form
108,866,473.80/163,299,710.70 = 44,201,257.80/x - Step 3: Cross multiply
108,866,473.80x = 163,299,710.70 × 44,201,257.80 - Step 4: Simplify right side
108,866,473.80x = 7,218,052,611,316,117 - Step 5: Solve for x
x = 7,218,052,611,316,117/108,866,473.80 - Step 6: Final answer
x = 66,301,886.70
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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.