Finding the Fourth Proportional to 149,761,707.30, 206,667,191.21 and 83,682,748.49
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Solution
The fourth proportional to 149,761,707.30, 206,667,191.21 and 83,682,748.49 is: 115,479,977.45
Step by Step Solution
- Step 1: Write the proportion equation
149,761,707.30 : 206,667,191.21 = 83,682,748.49 : x - Step 2: Convert to fraction form
149,761,707.30/206,667,191.21 = 83,682,748.49/x - Step 3: Cross multiply
149,761,707.30x = 206,667,191.21 × 83,682,748.49 - Step 4: Simplify right side
149,761,707.30x = 17,294,478,581,709,420 - Step 5: Solve for x
x = 17,294,478,581,709,420/149,761,707.30 - Step 6: Final answer
x = 115,479,977.45
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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.