Finding the Fourth Proportional to 136,409,790.84, 204,631,713.21 and 53,400,821.69
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Solution
The fourth proportional to 136,409,790.84, 204,631,713.21 and 53,400,821.69 is: 80,107,898.13
Step by Step Solution
- Step 1: Write the proportion equation
136,409,790.84 : 204,631,713.21 = 53,400,821.69 : x - Step 2: Convert to fraction form
136,409,790.84/204,631,713.21 = 53,400,821.69/x - Step 3: Cross multiply
136,409,790.84x = 204,631,713.21 × 53,400,821.69 - Step 4: Simplify right side
136,409,790.84x = 10,927,501,628,223,270 - Step 5: Solve for x
x = 10,927,501,628,223,270/136,409,790.84 - Step 6: Final answer
x = 80,107,898.13
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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.