Finding the Fourth Proportional to 149,761,702.80, 206,667,185.00 and 83,682,743.99
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Solution
The fourth proportional to 149,761,702.80, 206,667,185.00 and 83,682,743.99 is: 115,479,971.24
Step by Step Solution
- Step 1: Write the proportion equation
149,761,702.80 : 206,667,185.00 = 83,682,743.99 : x - Step 2: Convert to fraction form
149,761,702.80/206,667,185.00 = 83,682,743.99/x - Step 3: Cross multiply
149,761,702.80x = 206,667,185.00 × 83,682,743.99 - Step 4: Simplify right side
149,761,702.80x = 17,294,477,132,037,218 - Step 5: Solve for x
x = 17,294,477,132,037,218/149,761,702.80 - Step 6: Final answer
x = 115,479,971.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.