Finding the Fourth Proportional to 136,046,682.42, 204,187,941.81 and 71,396,163.06
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Solution
The fourth proportional to 136,046,682.42, 204,187,941.81 and 71,396,163.06 is: 107,156,127.07
Step by Step Solution
- Step 1: Write the proportion equation
136,046,682.42 : 204,187,941.81 = 71,396,163.06 : x - Step 2: Convert to fraction form
136,046,682.42/204,187,941.81 = 71,396,163.06/x - Step 3: Cross multiply
136,046,682.42x = 204,187,941.81 × 71,396,163.06 - Step 4: Simplify right side
136,046,682.42x = 14,578,235,588,352,552 - Step 5: Solve for x
x = 14,578,235,588,352,552/136,046,682.42 - Step 6: Final answer
x = 107,156,127.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.